BMW 4 Series 2014: MOT failure rate for its age

17.9% of 77,602 MOT tests of the BMW 4 Series first registered in 2014 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 106.5 (95% CI 104.7–108.2; 100 = normal for this model at that age): the 2014 BMW 4 Series fails more often than other build years of the same model at the same age.

BMW 4 Series built in 2014 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	17.9	%	all ages tested	2019–2024	77602
Index against this model at the same age (95% CI 104.7–108.2)	106.5	index	100 = normal for this model at that age	2019–2024	77602
Rank among this model's 8 build years	7	of 8	1 = fails least for its age	2019–2024	77602
Tested in 2024	12566	tests	median 82,508 miles	2024	12566

Built 2014 against BMW 4 Series normal for the age: first-time MOT failure share at each age, age 5: 15% vs 14.8%; age 6: 16.4% vs 14.7%; age 7: 17% vs 16%; age 8: 18.3% vs 16.5%; age 9: 20% vs 18.8%; age 10: 20.8% vs 20.1%. Axis from 0% to 30%. DVSA MOT bulk data, 2019–2024.

Check a 2014 BMW 4 Series by registration · All BMW 4 Series MOT statistics · Download the build-year table (CSV)

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).

How does the 2014 BMW 4 Series fail at each age?

Cars built in 2014 were tested at ages 5 to 10 between 2019 and 2024. Each row compares their first-time failure share with what this model normally shows at that age, after allowing for the overall failure level of each test year.

BMW 4 Series built 2014: first-time MOT failure by age, against the model's normal rate at that age (2019–2024)
Age	Tests	Failed, %	95% interval	Normal for this model at that age, %	Index (100 = normal)
5	13,666	15	14.4–15.6	14.8	101.4
6	12,603	16.4	15.7–17	14.7	111.1
7	13,103	17	16.4–17.6	16	106
8	12,895	18.3	17.7–19	16.5	110.7
9	12,769	20	19.3–20.7	18.8	106.4
10	12,566	20.8	20.1–21.6	20.1	104

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 77,602 (initial tests) · Method: normal rate = this model's first-time failure share at that age across its build years (cells of 400+ tests), adjusted for each test year's overall level; cells of 30+ tests, under 500 marked rough · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

What fails most on the 2014 BMW 4 Series?

The most common failure group on cars built in 2014 is tyres: 11.6 items per 100 first tests, against 10.9 across all build years of the BMW 4 Series. These counts are not age-adjusted: cars built in 2014 were tested at ages 5 to 10.

Failure items per 100 first tests, BMW 4 Series built 2014 against the BMW 4 Series in all build years (2019–2024, not age-adjusted)
Failure group	Built 2014, per 100	All build years, per 100	Items
Tyres	11.6	10.9	8,986
Visibility	4.6	4	3,550
Lamps, reflectors and electrical equipment	4.4	2.2	3,425
Brakes	4.3	2.7	3,349
Suspension	3.2	1.4	2,445

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 77,602 (initial tests of this build year) · Method: failure items grouped by DVSA's top-level defect groups, per 100 initial tests; groups with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How does 2014 compare with the years around it?

Among the 8 published build years of the BMW 4 Series, 2014 ranks 7 (1 = fails least for its age). 2013: index 100.8. 2015: index 102.0.

BMW 4 Series build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2013	100.8	96.1–105.5	no different	9,750
2014	106.5	104.7–108.2	worse	77,602
2015	102.0	100.5–103.5	worse	111,935
2016	99.3	97.8–100.9	no different	114,125
2017	94.1	92.4–95.9	better	94,393
2018	98.9	96.7–101.0	no different	64,988
2019	110.7	107.4–114.0	worse	32,125
2020	102.1	96.2–108.1	no different	9,576

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 514,494 (initial tests) · Method: observed failures against those expected for the same model at the same ages, test-year level adjusted; verdict follows the printed one-decimal bound · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How to cite this page

MOT Risk Index (2026). BMW 4 Series 2014 MOT statistics (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 30 September 2026. motriskindex.co.uk/cars/bmw-4-series/2014/

How every figure is calculated: methodology. Age, test year and build year are tied together (age = test year − build year), so the test-year level is taken as observed, not estimated.

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