Does the BMW M4 fail the MOT on brakes more than it should?

The BMW M4 records 1.10 brakes failure items per 100 initial MOT tests (2019–2024), against 4.66 expected for a car of the same age mix: less than expected for its class and age (−3.56, 95% interval −3.74 to −3.39). It ranks 522 of 712 models on brakes (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on brakes · check a BMW M4 by registration

What exactly fails on brakes?

The most frequent DVSA defect wording in this group on the BMW M4 is “Excessive fluctuation in brake effort through each wheel revolution.”, recorded 82 times in 2019–2024.

BMW M4: most frequent brakes defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Excessive fluctuation in brake effort through each wheel revolution.	82	0.14
Warning device shows system malfunction	80	0.14
Brake disc or drum significantly and obviously worn	66	0.12
ESC MIL indicates a system malfunction	60	0.10
a brake lining or pad worn below 1.5mm	51	0.09

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 57,282 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

If a BMW M4 gets a brakes advisory, how often does it fail next time?

2.9% of BMW M4 MOTs with a brakes advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 4,912 miles later (1,944 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,944 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Other pages for this model

Does the BMW M4 fail the MOT on brakes more than it should?

What exactly fails on brakes?

If a BMW M4 gets a brakes advisory, how often does it fail next time?

Related pages

Other pages for this model