Does the BMW Z4 fail the MOT on road wheels more than it should?

The BMW Z4 records 1.92 road wheels failure items per 100 initial MOT tests (2019–2024), against 0.53 expected for a car of the same age mix: more than expected for its class and age (+1.39, 95% interval +1.33 to +1.45). It ranks 2 of 516 models on road wheels (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on road wheels · check a BMW Z4 by registration

What exactly fails on road wheels?

The most frequent DVSA defect wording in this group on the BMW Z4 is “Any fracture or welding defect on a wheel”, recorded 3,244 times in 2019–2024.

BMW Z4: most frequent road wheels defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Any fracture or welding defect on a wheel	3,244	1.58
A wheel with a loose or missing wheel nut, bolt or stud	594	0.29
A wheel badly distorted or wear between wheel and hub at spigot mounting	69	0.03
A wheel with more than one loose or missing wheel nut, bolt or stud	44	0.02

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 205,790 (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 Z4 gets a road wheels advisory, how often does it fail next time?

2.5% of BMW Z4 MOTs with a road wheels advisory were followed by a fail in the same group at the next MOT, typically 12 months and 4,055 miles later (1,702 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,702 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does the BMW Z4 fail the MOT on road wheels more than it should?

What exactly fails on road wheels?

If a BMW Z4 gets a road wheels advisory, how often does it fail next time?

Related pages

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