2018 BMW M6: common problems and MOT failures
What MOT testers find on the BMW M6 first registered in 2018: we looked at the 176 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Small sample: there were only 176 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.
Common 2018 BMW M6 MOT failures and advisories
The share of 2018 BMW M6 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres20% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Brakes5% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Wipers, windscreen and mirrors2% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Oil and fluid leaks2% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
- Suspension1% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Exhaust and emissions1% of testsRough price £100–£1,200
At the viewing: Look for black soot in the tailpipe, listen for blowing from the exhaust and check for engine or DPF warning lights.
Questions to ask the seller before buying a 2018 BMW M6
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Can I see the service history and receipts for any big jobs?
Looking at a BMW M6?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the BMW M6 compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2017 | 432 | Tyres 18% |
| 2016 | 591 | Tyres 22% |
| 2015 | 619 | Tyres 18% |
| 2014 | 591 | Tyres 19% |
| 2013 | 352 | Tyres 21% |
| 2012 | 144 | Tyres 13% |
| 2010 | – | Too few tests |
| 2009 | – | Too few tests |
| 2008 | – | Too few tests |
| 2007 | 161 | Brakes 19% |
| 2006 | 299 | Brakes 21% |
| 2005 | 339 | Brakes 25% |
| 1989 | – | Too few tests |
| 1988 | – | Too few tests |
| 1987 | – | Too few tests |
| 1986 | – | Too few tests |
| 1985 | – | Too few tests |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of BMW M6 cars first registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score