MOT Risk Index.co.uk

BMW 4 Series MOT pass rate and common problems

85.8% of BMW 4 Series models passed the 2024 MOT (106,629 first tests): 83.8% at the first attempt and 2.0% after a fix at the test centre (PRS). About 1 in 5 failed the first attempt. For its age, it fails 24% less often than normal: MOT Risk Index 75.8 (95% CI 74.8–76.9; 100 = normal).

BMW 4 Series at a glance, 2024 MOT
MeasureValueUnitCompared withYearsTests
MOT pass rate85.8%incl. 2.0% fixed at the test centre2024106629
Passed at the first attempt83.8%all first tests2024106629
MOT Risk Index (95% CI 74.8–76.9)75.8index100 = normal for its age · rank 229 of 761 (1 = fails least for its age)2024106629
Biggest excess: Tyres10.9per 1007.3 same-age2019–2024525142
Dangerous defects9.8per 10011.2 UK, not age-adjusted2019–2024525142
Advisory items66.4per 100127.1 UK, not age-adjusted2019–2024525142
strip · BMW 4 Series · MOT Risk Index · 75.8 vs 100 = normal · 2024
MOT Risk Index · BMW 4 Series. 0–240; 100 = normal for its age; median model 92.8 · rank 229 of 761 (1 = fails least for its age). It would rank between 213 and 234 anywhere within its 95% interval, other models held where they are. DVSA, 2024.
BMW 4 Series index position among 761 models
MeasureValueUnitCompared withYearsTests
Rank229of 761published models, 1 = fails least for its age2024106629
Best rank within its 95% interval213rankother models held where they are2024106629
Worst rank within its 95% interval234rankother models held where they are2024106629

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Download this page's numbers (CSV) · How to cite

Data release dvsa-2024-v2 (24 Sep 2026) · full dataset (v5). This model's index is unchanged in the 24 September 2026 release.

What actually fails on a BMW 4 Series MOT, and how often?

BMW 4 Series MOTs fail most often on tyres: 10.9 per 100 tests, against 7.3 for UK cars of the same age (2019–2024, n = 525,142).

bar · BMW 4 Series · Tyres · 10.9 vs 7.3 · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Tyres10.9per 1007.32019–202457219
Visibility4per 1005.62019–202420777
Brakes2.7per 1005.02019–202414436
Lamps, reflectors and electrical equipment2.2per 1005.72019–202411754
Suspension1.4per 1004.72019–20247153
Road Wheels0.9per 1000.32019–20244788

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 525,142 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Tyres, brakes and suspension: how does the BMW 4 Series compare with cars of the same age?

The biggest excess for the BMW 4 Series is tyres at age 3: 7.5 failures per 100 tests, against 4.2 for same-age cars of comparable models (2019–2024, n = 83,677).

bullet · BMW 4 Series · Tyres, age 3 · 7.5 vs 4.2 · 2019–2024
Tyres, age 3: 7.5 vs 4.2. Brakes, age 3: 0.8 vs 1.8. Suspension, age 3: 0.2 vs 0.6. Tyres, age 4: 7.2 vs 4.5. Brakes, age 4: 1.5 vs 2.4. Suspension, age 4: 0.3 vs 1.2. Tyres, age 5: 7.5 vs 5.1. Brakes, age 5: 1.9 vs 3.1. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Tyres, age 37.5per 1004.22019–202483677
Brakes, age 30.8per 1001.82019–202483677
Suspension, age 30.2per 1000.62019–202483677
Tyres, age 47.2per 1004.52019–202488495
Brakes, age 41.5per 1002.42019–202488495
Suspension, age 40.3per 1001.22019–202488495
Tyres, age 57.5per 1005.12019–202494980
Brakes, age 51.9per 1003.12019–202494980
Full table
Further values · 2019–2024
MeasureValueUnitCompared withYearsTests
Suspension, age 50.6per 1002.22019–202494980
Tyres, age 67.9per 1005.52019–202485170
Brakes, age 62.1per 1003.82019–202485170
Suspension, age 60.9per 1003.72019–202485170
Tyres, age 78.3per 1006.02019–202469485
Brakes, age 72.5per 1004.52019–202469485
Suspension, age 71.4per 1005.72019–202469485
Tyres, age 88.1per 1006.32019–202451374
Brakes, age 82.7per 1005.42019–202451374
Suspension, age 82.1per 1007.82019–202451374

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Will my BMW 4 Series's advisory become a fail at the next MOT?

BMW 4 Series advisories turn into fails less often than on the median model; the one to watch is tyres: advisories on it became a fail at the next MOT 10.3% of the time.

funnel · BMW 4 Series · Tyres · 10.3 vs median model · 2019–2024
Advisories on tyres: 10.3 of 100 became a fail on the same item at the next MOT. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Tyres10.3% next failmedian model2019–202480547
Suspension7.3% next failmedian model2019–20248438
Brakes5.0% next failmedian model2019–202446868
Road wheels2.5% next failmedian model2019–20242326
Body, chassis, structure2.2% next failmedian model2019–2024502
Identification of the vehicle1.8% next failmedian model2019–20242065
Noise, emissions and leaks0.9% next failmedian model2019–20244715
Steering0.9% next failmedian model2019–20241976
Full table
Further values · 2019–2024
MeasureValueUnitCompared withYearsTests
Non-component advisories0% next failmedian model2019–202424331

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

My BMW 4 Series got an MOT advisory: what gets flagged most?

BMW 4 Series MOTs flag tyres most: 33.6 advisories per 100 tests, against 39.7 across UK tests (2019–2024, n = 525,142).

bar · BMW 4 Series · Tyres · 33.6 vs 39.7 · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Tyres33.6per 10039.72019–2024176365
Brakes18.9per 10034.72019–202499198
Non-component advisories6.7per 1007.82019–202435271
Suspension3.7per 10026.22019–202419375
Noise, emissions and leaks1.3per 1005.22019–20246920
Road Wheels0.7per 10012019–20243813

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 525,142 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

What is likely to fail next on a BMW 4 Series?

For BMW 4 Series models aged 3 to 5 whose last MOT was a pass, the item most likely to fail at the next MOT is tyres: 6.6% failed on it (2019–2024, n = 144,646).

bar · BMW 4 Series · Tyres, under 3 years old, after a pass · 6.7 vs baseline · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Tyres, under 3 years old, after a pass6.7% next fail2019–202440701
Visibility, under 3 years old, after a pass2.6% next fail2019–202440701
Tyres, under 3 years old, after an advisory7.7% next fail2019–20249841
Tyres, under 3 years old, after a fail9.4% next fail2019–20246379
Tyres, 3 to 5 years old, after a pass6.6% next fail2019–2024144646
Visibility, 3 to 5 years old, after a pass2.9% next fail2019–2024144646
Brakes, 3 to 5 years old, after a pass1.5% next fail2019–2024144646
Tyres, 3 to 5 years old, after an advisory9.2% next fail2019–202453222
Full table
Further values · 2019–2024
MeasureValueUnitCompared withYearsTests
Visibility, 3 to 5 years old, after an advisory4.2% next fail2019–202453222
Brakes, 3 to 5 years old, after an advisory2.8% next fail2019–202453222
Tyres, 3 to 5 years old, after a fail10.0% next fail2019–202429251
Visibility, 3 to 5 years old, after a fail4.5% next fail2019–202429251
Brakes, 3 to 5 years old, after a fail2.8% next fail2019–202429251
Tyres, 6 to 8 years old, after a pass6.8% next fail2019–202467624
Visibility, 6 to 8 years old, after a pass3.5% next fail2019–202467624
Lamps, reflectors and electrical equipment, 6 to 8 years old, after a pass2.3% next fail2019–202467624
Tyres, 6 to 8 years old, after an advisory9.6% next fail2019–202435329
Visibility, 6 to 8 years old, after an advisory5.0% next fail2019–202435329
Brakes, 6 to 8 years old, after an advisory3.6% next fail2019–202435329
Tyres, 6 to 8 years old, after a fail10.4% next fail2019–202420737
Visibility, 6 to 8 years old, after a fail6.3% next fail2019–202420737
Lamps, reflectors and electrical equipment, 6 to 8 years old, after a fail4.4% next fail2019–202420737

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How often does a BMW 4 Series get a dangerous MOT defect?

The BMW 4 Series gets a dangerous defect less often than the UK average: 9.8 per 100 first tests against 11.2 across the UK. In the same tests, 10.6 major and 3.3 minor defects were recorded per 100 tests (one test can record several).

bullet · BMW 4 Series · Dangerous defects · 9.8 vs 11.2 · 2019–2024
Dangerous defects: 9.8 vs 11.2. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Dangerous defects9.8per 10011.22019–2024525142

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 525,142 (initial tests) · Method: one initial test per test_id; severity not recorded for some 2018–2021 tests · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Will my BMW 4 Series still pass its MOT in a few years?

First-time MOT failures for the BMW 4 Series go from 12.7% at age 3 to 21.6% at age 11, against 33.2% for all cars aged 11 (2024, n = 106,629).

line · BMW 4 Series · Age 3 · 12.7 vs 12.4 · 2024
Age 3: 12.7. Age 11: 21.6. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 312.7% failed first time12.420247064
Age 412.1% failed first time13.120244701
Age 513.8% failed first time15.1202410400
Age 614.4% failed first time17.5202415674
Age 715.4% failed first time20.2202417425
Age 816.4% failed first time23.3202418423
Age 918.8% failed first time26.5202418247
Age 1020.8% failed first time30.1202412566
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Age 1121.6% failed first time33.220241569

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How does the BMW 4 Series compare with cars of its own age and size?

At every age shown, BMW 4 Series models fail first time no more often than comparable models of the same size class; the biggest difference is at age 11, where they fail less often: 21.6% against 33.0% (2024, n = 1,569).

line · BMW 4 Series · Age 3 · 11.5 vs 11.7 · 2024
Age 3: 11.5. Age 11: 21.6. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 311.5% fail11.7202483677
Age 412.3% fail13.2202488495
Age 513.6% fail15.0202494980
Age 614.6% fail17.3202485170
Age 716.0% fail20.1202469485
Age 817.1% fail23.1202451374
Age 919.3% fail26.5202432641
Age 1020.8% fail29.7202414167
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Age 1121.6% fail33.020241569

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which BMW 4 Series years should I avoid?

The BMW 4 Series build year that fails most for its age is 2019: index 110.7 (95% CI 107.4–114.0) against the model's own age norm of 100 (2019–2024, n = 32,125).

Build year matters for the BMW 4 Series: 2019 BMW 4 Series models fail more than their age would predict, 2017 ones less. Years whose confidence interval includes normal are shown without a label.

bar · BMW 4 Series · Build year 2013 · 100.8 vs 100 = normal · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Build year 2013100.8index vs own age100 = normal2019–20249750
Build year 2014 (worse for its age)106.5index vs own age100 = normal2019–202477602
Build year 2015 (worse for its age)102index vs own age100 = normal2019–2024111935
Build year 201699.3index vs own age100 = normal2019–2024114125
Build year 2017 (better for its age)94.1index vs own age100 = normal2019–202494393
Build year 201898.9index vs own age100 = normal2019–202464988
Build year 2019 (worse for its age)110.7index vs own age100 = normal2019–202432125
Build year 2020102.1index vs own age100 = normal2019–20249576

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How much does it cost to fix a BMW 4 Series MOT fail?

Expected repair cost per BMW 4 Series MOT: about £19 (up to about £37 if more expensive parts are needed), from the chance of failing each item and its most common UK repair price (catalogue estimate, n = 106,629).

Computed, not measured.

bar · BMW 4 Series · Expected repair bill · 19.5 vs modal price catalogue · price catalogue
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (price catalogue)
MeasureValueUnitCompared withYearsTests
Expected repair bill19.5GBP estimatemodal price catalogueprice catalogue106629
Estimated range lower19.5GBP estimatemodal price catalogueprice catalogue106629
Estimated range upper37.0GBP estimatemodal price catalogueprice catalogue106629
Tyres: Tyre (single mid-range 16" fitted)9.8GBP expected contribution90price catalogue106629
Brakes: Front brake pads (parts + labour, typical hatchback)4.0GBP expected contribution150price catalogue106629
Lamps, reflectors and electrical equipment: Battery replacement (standard 12V lead-acid)3.1GBP expected contribution140price catalogue106629
Suspension: Suspension coil spring (single corner)2.5GBP expected contribution180price catalogue106629

Source: DVSA MOT bulk data · Window: price catalogue · n = 106,629 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Is the BMW 4 Series more reliable than similar cars?

Of 8 similar models, 6 fail less often for their age than the BMW 4 Series and 2 as often or more. The BMW 4 Series has an MOT Risk Index of 75.8, where 100 = normal for its age (2024, n = 106,629).

bar · BMW 4 Series · BMW 4 Series (this model) · 75.8 vs 100 = normal · 2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
BMW 4 Series (this model)75.8index100 = normal2024106629
BMW X175.1index75.82024107276
BMW X381.7index75.82024104772
BMW 5 Series71.8index75.82024211217
Audi Q375index75.82024130906
Audi TT73.4index75.82024113561
Mazda MX-574index75.8202492610
Land Rover Range Rover Evoque75.5index75.82024164629
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Audi A579.1index75.82024125932

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How many miles does a BMW 4 Series normally do?

At age 8, the median BMW 4 Series had covered 69,554 miles by its MOT; the middle half ranged from 52,717 to 89,350 miles (2024, n = 18,423).

line · BMW 4 Series · Age 3 median · 23431 vs baseline · 2024
Age 3 median: 23431. Age 11 P75: 112887. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 3 median23431miles20247064
Age 3 P2516837miles20247064
Age 3 P7532122miles20247064
Age 4 median29418miles20244701
Age 4 P2521606miles20244701
Age 4 P7539003miles20244701
Age 5 median39025miles202410400
Age 5 P2528484miles202410400
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Age 5 P7551194miles202410400
Age 6 median47506miles202415674
Age 6 P2535270miles202415674
Age 6 P7561686miles202415674
Age 7 median58829miles202417425
Age 7 P2544189miles202417425
Age 7 P7576104miles202417425
Age 8 median69554miles202418423
Age 8 P2552717miles202418423
Age 8 P7589350miles202418423
Age 9 median77586miles202418247
Age 9 P2559108miles202418247
Age 9 P7598230miles202418247
Age 10 median82509miles202412566
Age 10 P2562552miles202412566
Age 10 P75104028miles202412566
Age 11 median90518miles20241569
Age 11 P2568645miles20241569
Age 11 P75112887miles20241569

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does high mileage mean more BMW 4 Series MOT failures at the same age?

At ages 6–9, 11.0% of BMW 4 Series models with under 40,000 miles failed first time, against 22.8% of those with over 140,000 miles (2024, n = 13,409). Inside this age group, higher mileage goes with more failures.

bar · BMW 4 Series · Age 3–5, <40k miles · 12.1 vs baseline · 2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 3–5, <40k miles12.1% failed first time202415298
Age 3–5, 40-70k miles15.1% failed first time20245951
Age 3–5, 70-100k miles16.6% failed first time2024790
Age 3–5, 100-140k miles (rough estimate: 110 tests, 95% interval 13.6–28.4%)20% failed first time2024110
Age 6–9, <40k miles11% failed first time202411975
Age 6–9, 40-70k miles15.3% failed first time202429448
Age 6–9, 70-100k miles18.9% failed first time202419459
Age 6–9, 100-140k miles21.1% failed first time20247445
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Age 6–9, 140k+ miles22.8% failed first time20241434
Age 10–14, <40k miles10.4% failed first time2024890
Age 10–14, 40-70k miles17.4% failed first time20243780
Age 10–14, 70-100k miles21.1% failed first time20245217
Age 10–14, 100-140k miles25.8% failed first time20243425
Age 10–14, 140k+ miles27.2% failed first time2024819

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How many miles does a BMW 4 Series last?

6.5% of BMW 4 Series models tested had reached 100,000 miles, and 0.6% had reached 150,000 (2024, n = 33,730).

line · BMW 4 Series · 100,000 miles · 6.5 vs baseline · 2024
100,000 miles: 6.5. 200,000 miles (rou: 0.1. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
100,000 miles6.5% of tested cars202433730
150,000 miles0.6% of tested cars20242867
200,000 miles (rough estimate: 243 tests, 95% interval 0.0–0.1%)0.1% of tested cars2024243

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Is the BMW 4 Series driven more or less than average, and does that change the picture?

Matched on annual mileage as well as age, the BMW 4 Series index is 71.2, against 74.7 on age alone (2019–2024, n = 106,629).

slope · BMW 4 Series · Age and mileage adjusted index · 71.2 vs 74.7 · 2019–2024
Age and mileage adjusted index: 74.7 vs 71.2. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Age and mileage adjusted index71.2index74.72019–2024106629

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which BMW 4 Series fuel fails its MOT less?

Diesel BMW 4 Series models fail first time more often than petrol ones, before allowing for age: 17.6% against 14.3%.

bar · BMW 4 Series · Hybrid · 11.6 vs other fuels · 2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Hybrid11.6% fail first timeother fuels20241341
Electric-diesel13.4% fail first timeother fuels20242085
Petrol14.3% fail first timeother fuels202439271
Diesel17.6% fail first timeother fuels202463932

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which BMW 4 Series engine is best?

For its age, the best BMW 4 Series engine is the petrol over 2.0 litre at index 84.9, and the worst the diesel 1.8–2.0 litre at 107.2, where 100 = the model's own average (2024, n = 106,629).

bar · BMW 4 Series · Petrol over 2.0 litre · 84.9 vs 100 = model average · 2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Petrol over 2.0 litre84.9index vs model norm100 = model average202437057
Petrol 1.8–2.0 litre94index vs model norm100 = model average2024131249
Diesel over 2.0 litre96.2index vs model norm100 = model average2024111584
Diesel 1.8–2.0 litre107.2index vs model norm100 = model average2024241289

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Where in Britain does the BMW 4 Series fail its MOT most?

First-time failure rates for the BMW 4 Series range from 10.4% to 19.1% by area, before allowing for age: a narrower spread than for the typical model.

map · BMW 4 Series · Redhill (RH) · 19.1 vs 16.2 · 2024
Scotland. N. England. Wales. London. S. West. % failing. 11%. 18%. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Redhill (RH)19.1% fail first time16.220245333
Watford (WD)18.8% fail first time16.220243806
Dundee (DD)18.4% fail first time16.220241871
Kirkwall (KW) (rough estimate: 179 tests, 95% interval 6.5–15.3%)10.1% fail first time16.22024179
Durham (DH)10.4% fail first time16.220242569
Oldham (OL)10.5% fail first time16.220243973
Aberdeen (AB)18.3% fail first time16.220243909
Brighton (BN)17.9% fail first time16.220245178
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Kirkcaldy (KY)17.8% fail first time16.220242245
Gloucester (GL)17.5% fail first time16.220244982
Bristol (BS)17.5% fail first time16.220247509
Paisley (PA)17.4% fail first time16.220241905
Portsmouth (PO)17.4% fail first time16.220245114
Tonbridge (TN)17.4% fail first time16.220245039
Wolverhampton (WV)17.0% fail first time16.220244205
Edinburgh (EH)16.9% fail first time16.220245688
Cambridge (CB)16.9% fail first time16.220243350
Glasgow (G)16.9% fail first time16.220249888
Bournemouth (BH)16.7% fail first time16.220244075
Exeter (EX)16.7% fail first time16.220242958
Stoke-on-Trent (ST)16.7% fail first time16.220245391
Motherwell (ML)16.7% fail first time16.220243378
Plymouth (PL)16.5% fail first time16.220242854
Stockport (SK)16.5% fail first time16.220246593
Southampton (SO)16.4% fail first time16.220246321
Reading (RG)16.3% fail first time16.2202410271
Medway (ME)16.3% fail first time16.220244566
Northampton (NN)16.1% fail first time16.220247021
Canterbury (CT)16.1% fail first time16.220242736
Oxford (OX)16% fail first time16.220245014
Salisbury (SP)15.9% fail first time16.220241822
Romford (RM)15.8% fail first time16.220245693
Chelmsford (CM)15.8% fail first time16.220247120
Guildford (GU)15.7% fail first time16.220249106
Telford (TF)15.7% fail first time16.220241463
Milton Keynes (MK)15.6% fail first time16.220246661
London SW (SW)15.6% fail first time16.220243321
Cardiff (CF)15.6% fail first time16.220246703
Taunton (TA)15.6% fail first time16.220241913
Dartford (DA)15.6% fail first time16.220243732
Warrington (WA)15.5% fail first time16.220246764
Torquay (TQ)15.5% fail first time16.220241312
Bolton (BL)15.4% fail first time16.220244235
Ipswich (IP)15.4% fail first time16.220244671
Harrow (HA)15.3% fail first time16.220244296
Hemel Hempstead (HP)15.2% fail first time16.220246780
Chester (CH)15.2% fail first time16.220245953
Stevenage (SG)15.1% fail first time16.220244680
Hull (HU)15.0% fail first time16.220243449
Dudley (DY)15.0% fail first time16.220242442
Lincoln (LN)14.9% fail first time16.220242763
Croydon (CR)14.8% fail first time16.220244060
Ilford (IG)14.8% fail first time16.220244784
Worcester (WR)14.7% fail first time16.220243021
St Albans (AL)14.7% fail first time16.220241753
Crewe (CW)14.7% fail first time16.220243539
Huddersfield (HD)14.7% fail first time16.220242365
Leeds (LS)14.6% fail first time16.220245825
Bath (BA)14.6% fail first time16.220242983
Manchester (M)14.5% fail first time16.220247559
Luton (LU)14.5% fail first time16.220244844
Walsall (WS)14.5% fail first time16.220243374
Truro (TR)14.5% fail first time16.220241231
Dorchester (DT)14.4% fail first time16.220241075
Falkirk (FK)14.4% fail first time16.220242349
Shrewsbury (SY)14.4% fail first time16.220242772
Colchester (CO)14.2% fail first time16.220243050
Preston (PR)14.1% fail first time16.220246001
Kilmarnock (KA)14.0% fail first time16.220242770
London SE (SE)13.8% fail first time16.220245123
Slough (SL)13.8% fail first time16.220245945
Peterborough (PE)13.7% fail first time16.2202410946
Perth (PH)13.7% fail first time16.220241154
Birmingham (B)13.6% fail first time16.2202419716
Blackpool (FY)13.6% fail first time16.220242971
Derby (DE)13.6% fail first time16.220247285
Liverpool (L)13.6% fail first time16.220244687
Sheffield (S)13.5% fail first time16.2202410766
Leicester (LE)13.4% fail first time16.2202410602
Newport (NP)13.3% fail first time16.220243819
Darlington (DL)13.2% fail first time16.220242466
Swindon (SN)13.2% fail first time16.220244374
Hereford (HR)13.2% fail first time16.220241296
Wigan (WN)13.1% fail first time16.220242094
Swansea (SA)13.1% fail first time16.220244722
Wakefield (WF)13.0% fail first time16.220244732
Kingston upon Thames (KT)12.9% fail first time16.220245558
Coventry (CV)12.8% fail first time16.220249278
Inverness (IV)12.7% fail first time16.220241280
Carlisle (CA)12.6% fail first time16.220242476
Blackburn (BB)12.6% fail first time16.220245359
London NW (NW)12.6% fail first time16.220245503
Norwich (NR)12.5% fail first time16.220244411
Sutton (SM)12.4% fail first time16.22024985
Southend-on-Sea (SS)12.4% fail first time16.220244516
London W (W)12.2% fail first time16.220241854
York (YO)12.2% fail first time16.220244391
Llandrindod Wells (LD) (rough estimate: 115 tests, 95% interval 7.4–19.4%)12.2% fail first time16.22024115
Newcastle (NE)12.2% fail first time16.2202410047
Lancaster (LA)12.1% fail first time16.220242175
Cleveland (TS)12.0% fail first time16.220246036
Sunderland (SR)11.9% fail first time16.220241356
Doncaster (DN)11.6% fail first time16.220247506
London N (N)11.6% fail first time16.220244258
Harrogate (HG)11.5% fail first time16.220241924
Llandudno (LL)11.5% fail first time16.220243070
Uxbridge (UB)11.4% fail first time16.220244630
Bradford (BD)11.4% fail first time16.220243583
Galashiels (TD) (rough estimate: 359 tests, 95% interval 8.5–15.1%)11.4% fail first time16.22024359
Dumfries (DG)11.2% fail first time16.22024814
Twickenham (TW)11.0% fail first time16.220244796
Bromley (BR)11.0% fail first time16.220242489
London E (E)10.7% fail first time16.220245288
Enfield (EN)10.7% fail first time16.220244800
Halifax (HX)10.7% fail first time16.22024896
Nottingham (NG)10.7% fail first time16.2202416322

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does a BMW 4 Series rust more than average?

Allowing for age, BMW 4 Series MOTs record corrosion failures at 0.0 times the national rate: 0.03% of tests against 0.77% (2024 + geographic layers, n = 106,629).

Computed, not measured.

slope · BMW 4 Series · Salt belt susceptibility · 0.0 vs 1 · 2024 + geographic layers
Salt belt susceptibility: 1 vs 0. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024 + geographic layers)
MeasureValueUnitCompared withYearsTests
Salt belt susceptibility0.0ratio estimate12024 + geographic layers106629

Source: DVSA MOT bulk data · Window: 2024 + geographic layers · n = 106,629 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Is a BMW 4 Series ULEZ compliant?

An estimated 83.5% of BMW 4 Series models tested are likely ULEZ-compliant, judged from fuel type and first-use date; check a specific car with TfL's vehicle checker (2024).

Computed, not measured.

stacked · BMW 4 Series · Likely compliant · 83.5 vs baseline · 2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Likely compliant83.5% estimate2024106629

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

What do six years of MOTs show about owning a BMW 4 Series?

Of failed BMW 4 Series MOTs, 42.6% were retested the same day and a further 55.4% within 10 days; the median failed car passed its retest after 1 day (2019–2024, n = 60,688).

bar · BMW 4 Series · Same-day retest · 42.6 vs failed initial tests · 2019–2024
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Same-day retest42.6%failed initial tests2019–202460688
Retest within 10 days55.4%failed initial tests2019–202460688
Clean MOT streak54.7%observed chains2019–202496130
Repeat advisory13.2%observed chains2019–202496130
Decreasing odometer0.6% mileage anomalyobserved chains2019–2024102555

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Is low mileage better for a BMW 4 Series?

BMW 4 Series models aged 5 to 10 doing under 5,000 miles a year failed first time in 9.9% of tests, against 16.8% for those doing 8,000 to 12,000 miles (2019–2024, n = 42,704).

bullet · BMW 4 Series · Low-use first-time failure · 9.9 vs 16.8 · 2019–2024
Low-use first-time failure: 9.9 vs 16.8. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Low-use first-time failure9.9%16.82019–202442704
Low-use gap-6.8percentage points8–12k miles2019–202442704

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

How many years is a BMW 4 Series likely to last?

BMW 4 Series models aged 10 are forecast to keep taking MOTs for at least 0.6 more years; the survival curve is observed only until age 11, so the true figure is likely higher.

Computed, not measured.

Forecast, not a prediction for a particular car.

bar · BMW 4 Series · Age 5 · 3.3 vs baseline · survival forecast
DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (survival forecast)
MeasureValueUnitCompared withYearsTests
Age 53.3years forecastsurvival forecast0
Age 8 (at least; observed only until age 11)1.4years forecastsurvival forecast0
Age 10 (at least; observed only until age 11)0.6years forecastsurvival forecast0

Source: DVSA MOT bulk data · Window: survival forecast · n = 106,629 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which BMW 4 Series models are still on the road?

In 2024, for every 100 BMW 4 Series models tested at ages 4 to 6, about 2 were tested at age 11 (2024, n = 1,569).

line · BMW 4 Series · Age 3 · 93.4 vs baseline · 2024
Age 3: 93.4. Age 11: 1.8. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 393.4% of age 4–6 baseline202483677
Age 498.8% of age 4–6 baseline202488495
Age 5 (at least as many as at ages 4–6)100% of age 4–6 baseline202494980
Age 695.1% of age 4–6 baseline202485170
Age 777.6% of age 4–6 baseline202469485
Age 857.4% of age 4–6 baseline202451374
Age 936.5% of age 4–6 baseline202432641
Age 1015.8% of age 4–6 baseline202414167
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Age 111.8% of age 4–6 baseline20241569

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

If a BMW 4 Series fails, does it fail again?

18.5% of BMW 4 Series models that failed an MOT failed the next one too, against 13.9% after a pass (2019–2024, n = 11,647). The failure most likely to come back is brakes: 19.5% of those fails recurred at the next MOT.

bullet · BMW 4 Series · Repeat after fail · 18.5 vs 13.9 · 2019–2024
Repeat after fail: 18.5 vs 13.9. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2019–2024)
MeasureValueUnitCompared withYearsTests
Repeat after fail18.5%13.92019–202411647

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Which BMW 4 Series faults come together?

On BMW 4 Series models, ‘body, chassis, structure’ and seat belts and supplementary restraint systems failures turn up together 17.4 times as often as chance would predict (2024, n = 30).

BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Body, chassis, structure + Seat belts and supplementary restraint systems (rough estimate: 30 tests, 95% interval 11.7–24.8)17.4liftexpected joint rate202430
Body, chassis, structure + Noise, emissions and leaks (rough estimate: 81 tests, 95% interval 13.4–21.1)16.9liftexpected joint rate202481
Noise, emissions and leaks + Seat belts and supplementary restraint systems (rough estimate: 28 tests, 95% interval 9.5–20.7)14.3liftexpected joint rate202428
Steering + Suspension (rough estimate: 99 tests, 95% interval 10.8–16.2)13.3liftexpected joint rate202499
Road Wheels + Seat belts and supplementary restraint systems (rough estimate: 50 tests, 95% interval 9.3–16.4)12.5liftexpected joint rate202450
Body, chassis, structure + Steering (rough estimate: 21 tests, 95% interval 6.8–16.9)11.0liftexpected joint rate202421
Lamps, reflectors and electrical equipment + Seat belts and supplementary restraint systems (rough estimate: 105 tests, 95% interval 8.4–12.5)10.3liftexpected joint rate2024105
Body, chassis, structure + Suspension (rough estimate: 158 tests, 95% interval 8.1–11.2)9.6liftexpected joint rate2024158
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Body, chassis, structure + Road Wheels (rough estimate: 80 tests, 95% interval 6.5–10.1)8.1liftexpected joint rate202480
Lamps, reflectors and electrical equipment + Steering (rough estimate: 88 tests, 95% interval 6.3–9.6)7.8liftexpected joint rate202488
Seat belts and supplementary restraint systems + Suspension (rough estimate: 52 tests, 95% interval 5.8–10.1)7.7liftexpected joint rate202452
Road Wheels + Steering (rough estimate: 34 tests, 95% interval 5.3–10.7)7.7liftexpected joint rate202434
Body, chassis, structure + Lamps, reflectors and electrical equipment (rough estimate: 190 tests, 95% interval 6.6–8.8)7.6liftexpected joint rate2024190
Noise, emissions and leaks + Suspension (rough estimate: 122 tests, 95% interval 5.4–7.8)6.5liftexpected joint rate2024122
Noise, emissions and leaks + Road Wheels (rough estimate: 71 tests, 95% interval 5.0–8.1)6.4liftexpected joint rate202471
Brakes + Steering (rough estimate: 84 tests, 95% interval 5.1–7.9)6.4liftexpected joint rate202484
Road Wheels + Suspension (rough estimate: 238 tests, 95% interval 5.4–7.0)6.2liftexpected joint rate2024238
Brakes + Suspension6.1liftexpected joint rate2024703
Brakes + Noise, emissions and leaks (rough estimate: 203 tests, 95% interval 5.3–7.0)6.1liftexpected joint rate2024203
Brakes + Seat belts and supplementary restraint systems (rough estimate: 73 tests, 95% interval 4.8–7.7)6.1liftexpected joint rate202473
Identification of the vehicle + Noise, emissions and leaks (rough estimate: 41 tests, 95% interval 4.3–8.2)6.0liftexpected joint rate202441
Lamps, reflectors and electrical equipment + Noise, emissions and leaks (rough estimate: 170 tests, 95% interval 5.1–7.0)6.0liftexpected joint rate2024170
Lamps, reflectors and electrical equipment + Suspension5.9liftexpected joint rate2024573
Lamps, reflectors and electrical equipment + Road Wheels (rough estimate: 307 tests, 95% interval 4.7–5.9)5.3liftexpected joint rate2024307
Identification of the vehicle + Road Wheels (rough estimate: 70 tests, 95% interval 3.9–6.3)5.0liftexpected joint rate202470
Body, chassis, structure + Brakes (rough estimate: 140 tests, 95% interval 4.0–5.6)4.8liftexpected joint rate2024140
Brakes + Identification of the vehicle (rough estimate: 194 tests, 95% interval 4.0–5.4)4.7liftexpected joint rate2024194
Brakes + Lamps, reflectors and electrical equipment4.7liftexpected joint rate2024807
Body, chassis, structure + Identification of the vehicle (rough estimate: 27 tests, 95% interval 3.0–6.5)4.5liftexpected joint rate202427
Identification of the vehicle + Lamps, reflectors and electrical equipment (rough estimate: 152 tests, 95% interval 3.6–5.0)4.3liftexpected joint rate2024152
Brakes + Road Wheels (rough estimate: 289 tests, 95% interval 3.8–4.8)4.2liftexpected joint rate2024289
Identification of the vehicle + Suspension (rough estimate: 99 tests, 95% interval 3.4–5.2)4.2liftexpected joint rate202499
Lamps, reflectors and electrical equipment + Visibility3.7liftexpected joint rate20241143
Seat belts and supplementary restraint systems + Tyres (rough estimate: 170 tests, 95% interval 3.1–4.2)3.6liftexpected joint rate2024170
Road Wheels + Tyres3.5liftexpected joint rate2024948
Brakes + Tyres3.4liftexpected joint rate20242684
Noise, emissions and leaks + Visibility (rough estimate: 199 tests, 95% interval 2.9–3.9)3.4liftexpected joint rate2024199
Seat belts and supplementary restraint systems + Visibility (rough estimate: 70 tests, 95% interval 2.5–4.1)3.3liftexpected joint rate202470
Body, chassis, structure + Visibility (rough estimate: 170 tests, 95% interval 2.8–3.8)3.2liftexpected joint rate2024170
Suspension + Visibility3.1liftexpected joint rate2024644
Brakes + Visibility3.1liftexpected joint rate20241142
Identification of the vehicle + Tyres3.1liftexpected joint rate2024513
Road Wheels + Visibility (rough estimate: 377 tests, 95% interval 2.8–3.4)3.1liftexpected joint rate2024377
Noise, emissions and leaks + Tyres (rough estimate: 401 tests, 95% interval 2.8–3.4)3.1liftexpected joint rate2024401
Suspension + Tyres3.0liftexpected joint rate20241371
Lamps, reflectors and electrical equipment + Tyres3.0liftexpected joint rate20242026
Steering + Tyres (rough estimate: 154 tests, 95% interval 2.5–3.5)3.0liftexpected joint rate2024154
Identification of the vehicle + Visibility (rough estimate: 216 tests, 95% interval 2.5–3.3)2.9liftexpected joint rate2024216
Body, chassis, structure + Tyres (rough estimate: 328 tests, 95% interval 2.5–3.2)2.8liftexpected joint rate2024328
Steering + Visibility (rough estimate: 66 tests, 95% interval 2.2–3.5)2.8liftexpected joint rate202466
Tyres + Visibility2.4liftexpected joint rate20243397
Identification of the vehicle + Seat belts and supplementary restraint systems (seen together; too few for a multiplier)18tests with both202418
Noise, emissions and leaks + Steering (seen together; too few for a multiplier)16tests with both202416
Seat belts and supplementary restraint systems + Steering (seen together; too few for a multiplier)11tests with both202411
Identification of the vehicle + Steering (seen together; too few for a multiplier)11tests with both202411

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Has the BMW 4 Series had safety recalls?

DVSA lists 45 safety recall campaigns matched to the BMW 4 Series; check whether yours has been fixed, using its registration number.

BMW 4 Series: the numbers behind this answer (DVSA register)
MeasureValueUnitCompared withYearsTests
DVSA recall campaigns matched45campaignsDVSA registerDVSA register106629

Source: DVSA register; recall effect covers 11 of 761 models · Window: DVSA register · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

What does a BMW 4 Series cost to run in a fleet?

Of every 100 BMW 4 Series models tested at age 5, about 14 failed the MOT first time; at age 10, about 21. These are one-year rates for different cars tested in the same year, not a fleet followed over time (2024).

BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
Age 312.7% fail first time20247064
Age 412.1% fail first time20244701
Age 513.8% fail first time202410400
Age 614.4% fail first time202415674
Age 715.4% fail first time202417425
Age 816.4% fail first time202418423
Age 918.8% fail first time202418247
Age 1020.9% fail first time202412566
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
Age 11 (rough estimate: 1,569 tests, 95% interval 19.6–23.7%)21.6% fail first time20241569

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

What have dealers been told about the BMW 4 Series? (US market)

NHTSA lists 515 US technical service bulletins for the BMW 4 Series (US market, BMW 4 SERIES and its variants, model years 2016–2022 only); a count, not a UK failure rate.

bar · BMW 4 Series · US service bulletins · 515 vs NHTSA · NHTSA
NHTSA, US market, BMW 4 SERIES and its variants, model years 2016–2022 only; covers 211 of 761 models, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (NHTSA)
MeasureValueUnitCompared withYearsTests
US service bulletins515bulletinsNHTSANHTSA106629
Year 201570bulletinsNHTSANHTSA106629
Year 201680bulletinsNHTSANHTSA106629
Year 201758bulletinsNHTSANHTSA106629
Year 201856bulletinsNHTSANHTSA106629
Year 201946bulletinsNHTSANHTSA106629
Year 202043bulletinsNHTSANHTSA106629
Year 202164bulletinsNHTSANHTSA106629
Full table
Further values · NHTSA
MeasureValueUnitCompared withYearsTests
Year 202243bulletinsNHTSANHTSA106629
Year 202333bulletinsNHTSANHTSA106629
Year 202415bulletinsNHTSANHTSA106629
Year 20255bulletinsNHTSANHTSA106629
Year 20262bulletinsNHTSANHTSA106629

Source: NHTSA, US market, BMW 4 SERIES and its variants, model years 2016–2022 only; covers 211 of 761 models · Window: NHTSA · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

What do owners complain about? (US market)

The most common US owner complaint about the BMW 4 Series to NHTSA concerns engine (not MOT-tested): 68 complaints (US market, BMW 4 SERIES and its variants, model years 2016–2022 only).

bar · BMW 4 Series · Engine (not MOT-tested) · 68 vs baseline · NHTSA + 2024
NHTSA, US market, BMW 4 SERIES and its variants, model years 2016–2022 only; covers 211 of 761 models, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (NHTSA + 2024)
MeasureValueUnitCompared withYearsTests
Engine (not MOT-tested)68complaintsNHTSA + 202468
Lamps & electrical40complaintsNHTSA + 202440
Restraints23complaintsNHTSA + 202423
Transmission (not MOT-tested)10complaintsNHTSA + 202410
Brakes6complaintsNHTSA + 20246
Body & structure6complaintsNHTSA + 20246

Source: NHTSA, US market, BMW 4 SERIES and its variants, model years 2016–2022 only; covers 211 of 761 models · Window: NHTSA + 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does the month of a BMW 4 Series MOT matter?

BMW 4 Series models fail first time most in November (14.9%, against 30.6% for all cars that month) and least in June (13.6%) (2024, n = 106,629).

The month of the MOT makes little difference for the BMW 4 Series.

line · BMW 4 Series · January · 14.2 vs 31.1 · 2024
January: 14.2. December: 14.7. DVSA MOT bulk data, 24 Sep 2026.
BMW 4 Series: the numbers behind this answer (2024)
MeasureValueUnitCompared withYearsTests
January14.2% fail first time31.1202439584
February14.5% fail first time30.0202439616
March14.2% fail first time28.3202455515
April14.4% fail first time29.8202431952
May14.3% fail first time28.8202437048
June13.6% fail first time28.1202443399
July14.8% fail first time29.3202439639
August14.8% fail first time29.2202441665
Full table
Further values · 2024
MeasureValueUnitCompared withYearsTests
September14.0% fail first time28.2202453305
October14.7% fail first time30.3202453126
November14.9% fail first time30.6202449838
December14.7% fail first time29.3202440455

Source: DVSA MOT bulk data · Window: 2024 · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

Not enough tests for… (and why)

Does the BMW 4 Series fail inspections in other countries too?

no match in the other-country inspection register. 106,629 initial BMW 4 Series tests are in the published model cohort.

Source: Statens vegvesen PKK (CC BY 4.0), Traficom Katsastus (CC BY 4.0), RDW APK (CC0), adapted; covers 430 of 761 models · Window: 2024 by country · n = 106,629 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

See the BMW 3 Series, a car of the same inspection class with 4.7× the tests · Check your car by registration

Real-world MPG against the official figure (manufacturer level)

layer not yet computed for this model (covers 19 of 761 models). 106,629 initial BMW 4 Series tests are in the published model cohort.

Source: European Commission OBFCM; covers 19 of 761 models · Window: 2021+ cohorts · n = 106,629 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV

See the BMW 3 Series, a car of the same inspection class with 4.7× the tests · Check your car by registration

How to cite this page

MOT Risk Index (2026). BMW 4 Series MOT statistics 2024 (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 24 September 2026. motriskindex.co.uk/cars/bmw-4-series/

How the MOT Risk Index and every figure on this page are calculated: methodology.

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BMW 4 Series MOT: quick answers

What is the BMW 4 Series first-time MOT pass rate?

83.8% of first attempts passed in 2024 (106,629 tests). Retests after repair are excluded; cars fixed at the test centre (PRS) are shown separately.

Why does this number differ from other sites?

Other sites may count retests or all attempts. This page uses 106,629 primary tests: 16.23% failed first time and 85.8% passed when cars fixed at the test centre (PRS) count as passes. The age-adjusted MOT Risk Index 75.8 is shown separately.