BMW X1 2015: MOT failure rate for its age

16.1% of 28,149 MOT tests of the BMW X1 first registered in 2015 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 102.4 (95% CI 99.4–105.4; 100 = normal for this model at that age): the 2015 build year is no different from other years of the same model at the same age.

BMW X1 built in 2015 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	16.1	%	all ages tested	2019–2024	28149
Index against this model at the same age (95% CI 99.4–105.4)	102.4	index	100 = normal for this model at that age	2019–2024	28149
Rank among this model's 12 build years	7	of 12	1 = fails least for its age	2019–2024	28149
Tested in 2024	4618	tests	median 70,022 miles	2024	4618

Built 2015 against BMW X1 normal for the age: first-time MOT failure share at each age, age 4: 11.7% vs 11.4%; age 5: 13.5% vs 11.8%; age 6: 15.3% vs 14%; age 7: 16.8% vs 16.1%; age 8: 19.3% vs 18.9%; age 9: 20.2% vs 22.4%. Axis from 0% to 30%. DVSA MOT bulk data, 2019–2024.

Check a 2015 BMW X1 by registration · All BMW X1 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 2015 BMW X1 fail at each age?

Cars built in 2015 were tested at ages 4 to 9 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 X1 built 2015: 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)
4	4,816	11.7	10.8–12.6	11.4	102.8
5	4,627	13.5	12.5–14.5	11.8	114.5
6	4,716	15.3	14.3–16.4	14	109.3
7	4,710	16.8	15.7–17.8	16.1	104.2
8	4,662	19.3	18.2–20.5	18.9	102.3
9	4,618	20.2	19–21.3	22.4	90.1

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 28,149 (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 2015 BMW X1?

The most common failure group on cars built in 2015 is tyres: 8.5 items per 100 first tests, against 8.6 across all build years of the BMW X1. These counts are not age-adjusted: cars built in 2015 were tested at ages 4 to 9.

Failure items per 100 first tests, BMW X1 built 2015 against the BMW X1 in all build years (2019–2024, not age-adjusted)
Failure group	Built 2015, per 100	All build years, per 100	Items
Tyres	8.5	8.6	2,385
Suspension	5	4.7	1,419
Visibility	4.7	5.3	1,319
Lamps, reflectors and electrical equipment	3.6	3.6	1,025
Brakes	3.3	4.2	922

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 28,149 (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 2015 compare with the years around it?

Among the 12 published build years of the BMW X1, 2015 ranks 7 (1 = fails least for its age). 2014: index 115.9. 2016: index 87.4.

BMW X1 build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2009	104.1	97.0–111.2	no different (rough estimate)	2,779
2010	97.8	95.7–99.9	better	30,478
2011	101.4	99.4–103.4	no different	37,533
2012	107.7	105.4–110.0	worse	33,603
2013	105.7	103.6–107.8	worse	43,849
2014	115.9	113.6–118.2	worse	47,509
2015	102.4	99.4–105.4	no different	28,149
2016	87.4	85.6–89.2	better	76,187
2017	93.5	91.5–95.4	better	73,315
2018	103.7	101.3–106.2	worse	60,484
2019	99.8	96.8–102.7	no different	41,897
2020	96.0	91.2–100.8	no different	15,853

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 491,636 (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 X1 2015 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-x1/2015/

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.

BMW X1 2015: MOT failure rate for its age

How does the 2015 BMW X1 fail at each age?

What fails most on the 2015 BMW X1?

How does 2015 compare with the years around it?

How to cite this page

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