BMW 840i M Sport Auto MOT Failures
An analysis of 934 real DVSA MOT tests on the BMW 840i M Sport Auto — what fails, how often, and how that compares to every other car on UK roads.
Where the BMW 840i M Sport Auto fails its MOT
The single biggest MOT failure point on the BMW 840i M Sport Auto is tyre seriously damaged — this model is 5.5 times more likely to fail on this item than the average car on UK roads. That makes it worth watching for anyone buying or owning this model. Across 934 MOT tests, 7.3% of all BMW 840i M Sport Auto tests recorded this as a failure.
Tyre failures indicate either poor maintenance or suspension geometry issues causing uneven wear. Check all four tyres for tread depth, sidewall damage, and uneven wear patterns.
What to check before buying a BMW 840i M Sport Auto
Based on the MOT failure data and known issues above, here's what to prioritise when inspecting a BMW 840i M Sport Auto:
Tyres — check for tyre seriously damaged.
Always check the car's full MOT history for patterns — recurring advisories often become failures within 12 months. Enter any reg into our free car check to see the complete picture.
Looking at a specific BMW 840i M Sport Auto?
Enter the reg to see its full MOT history, mileage records, write-off status, and finance checks.
BMW 840i M Sport Auto MOT FAQs
What are the most common MOT failures on a BMW 840i M Sport Auto?
Based on 934 DVSA MOT tests, the most common failure is tyre seriously damaged — at 6x the national fleet average.
Is the BMW 840i M Sport Auto reliable based on MOT data?
The BMW 840i M Sport Auto has 1 categories where it fails more often than average. The main concern is tyre seriously damaged. Always check a specific car's full history before buying.
What MOT failures should I expect at high mileage?
The most common high-mileage failures include tyre seriously damaged.
How do I check a BMW 840i M Sport Auto's MOT history?
Enter the registration number into our free car check above. You'll see every MOT test result, advisories and failures, mileage readings, write-off status, and finance checks.
MOT failure data sourced from DVSA bulk test records via data.gov.uk. Ratios compare this model's failure rate against the national fleet average. Known issues sourced from manufacturer bulletins, specialist workshops, and verified owner reports.