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

The BMW M4 records 2.78 visibility failure items per 100 initial MOT tests (2019–2024), against 5.43 expected for a car of the same age mix: less than expected for its class and age (−2.65, 95% interval −2.85 to −2.46). It ranks 586 of 746 models on visibility (1 = most failures above expected).

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

What exactly fails on visibility?

The most frequent DVSA defect wording in this group on the BMW M4 is “Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view”, recorded 872 times in 2019–2024.

BMW M4: most frequent visibility defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view	872	1.52
Windscreen washers not working or not providing sufficient fluid to clear the windscreen	247	0.43
Wiper blade defective	192	0.34
Wiper blade missing or obviously not clearing the windscreen	118	0.21
Windscreen or window excessively tinted but not adversely affecting driver's view	91	0.16

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

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

What exactly fails on visibility?

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