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MOT History from tests of petrol BMW M4s year 2021

Review the list of common BMW M4 failures below or to perform a specific mot history check on your BMW then use our popular KnowYourCar service

mot history
Pass percent:96.46%
(The average a petrol BMW M4 year 2021 passes without issue)
Based on:1,044 MOT Tests
Most common failuresNo# failures
Registration plate issues26
Headlamp aim out of alignment6
Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))2
Emissions unable to be completed (8.2.1.2 (d))1
Windscreen damaged and affecting the drivers view of the road Damage within zone "A" exceeding 10mm (3.2 (a) (ii))1
Nearside Front Side repeater not working (4.4.1 (a) (ii))1
Offside Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Emissions unable to be completed vehicle not holding 2500/3000 rpm for test (8.2.1.2 (d))1
Offside Front Seat belt retracting mechanism defective (7.1.2 (e))1
Exhaust has a major leak of exhaust gases at several joints (6.1.2 (a))1
Nearside Front Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))1
Brake hose damaged1
Electronic stability control switch not functioning correctly (7.12 (d))1
Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i))1
Offside Side repeater not working (4.4.1 (a) (ii))1
Front Windscreen in such a condition that visibility through swept area is seriously affected (3.2 (c) (ii))1
Windscreen in an unacceptable condition (3.2 (c) (i))1
Nearside Side repeater not working (4.4.1 (a) (ii))1
Nearside Front Road wheel more than one fixing missing (5.2.1 (a) (ii))1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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