Does the BMW X6 fail the MOT on noise, emissions and leaks more than it should?

The BMW X6 records 0.89 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 2.28 expected for a car of the same age mix: less than expected for its class and age (−1.39, 95% interval −1.49 to −1.28). It ranks 483 of 678 models on noise, emissions and leaks (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on noise, emissions and leaks · check a BMW X6 by registration

What exactly fails on noise, emissions and leaks?

The most frequent DVSA defect wording in this group on the BMW X6 is “Engine MIL illuminated indicating a malfunction”, recorded 454 times in 2019–2024.

BMW X6: most frequent noise, emissions and leaks defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Engine MIL illuminated indicating a malfunction	454	0.55
Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users	61	0.07
Smoke opacity levels exceed the manufacturer's specified limit	51	0.06
Lambda coefficient outside the default limits or the range specified by the manufacturer	49	0.06

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 83,150 (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 X6 gets a noise, emissions and leaks advisory, how often does it fail next time?

2.6% of BMW X6 MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.2 months and 8,431 miles later (2,106 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,106 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does the BMW X6 fail the MOT on noise, emissions and leaks more than it should?

What exactly fails on noise, emissions and leaks?

If a BMW X6 gets a noise, emissions and leaks advisory, how often does it fail next time?

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