MOT Risk Index.co.uk

Does the BMW Z4 fail the MOT on body, chassis and structure more than it should?

The BMW Z4 records 1.05 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 8.78 expected for a car of the same age mix: less than expected for its class and age (−7.73, 95% interval −7.86 to −7.61). It ranks 593 of 663 models on body, chassis and structure (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a BMW Z4 by registration

What exactly fails on body, chassis and structure?

The most frequent DVSA defect wording in this group on the BMW Z4 is “Fuel system leaking, or missing or ineffective filler cap”, recorded 645 times in 2019–2024.

BMW Z4: most frequent body, chassis and structure defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
Fuel system leaking, or missing or ineffective filler cap6450.31
Exhaust system leaking or insecure5750.28
A door will not open using the relevant control or close properly4070.20
A transmission shaft constant velocity joint boot severely deteriorated1150.06
Bumper insecure or with damage likely to cause injury when grazed or contacted690.03

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 body, chassis and structure advisory, how often does it fail next time?

4.7% of BMW Z4 MOTs with a body, chassis and structure advisory were followed by a fail in the same group at the next MOT, typically 12 months and 3,270 miles later (2,773 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,773 (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

BMW Z4 2003 · BMW Z4 2004 · BMW Z4 2005 · BMW Z4 2006 · BMW Z4 2007 · BMW Z4 2008 · BMW Z4 2009 · BMW Z4 2010 · BMW Z4 2011 · BMW Z4 2012 · BMW Z4 2013 · BMW Z4 2014 · BMW Z4 2015 · BMW Z4 2016 · BMW Z4 2017 · BMW Z4 2019 · BMW Z4 2020 · BMW Z4 in Finland · BMW Z4 in the Netherlands · BMW Z4 by postcode area · BMW Z4 brakes failures · BMW Z4 vehicle identification failures · BMW Z4 lamps, reflectors and electrics failures · BMW Z4 noise, emissions and leaks failures · BMW Z4 road wheels failures · BMW Z4 seat belts and airbags failures · BMW Z4 steering failures · BMW Z4 suspension failures · BMW Z4 tyres failures · BMW Z4 visibility failures