Used car guide

2018 BMW M3: common problems and MOT failures

What MOT testers find on the BMW M3 first registered in 2018: we looked at the 2,547 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

2,547MOTs of 2018 cars, done in 2023–2025
90%pass first time (all 2018 cars: 83%)
5,800typical miles a year
16%had tyres flagged

Common 2018 BMW M3 MOT failures and advisories

The share of 2018 BMW M3 MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    16% 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.

  • Brakes
    4% 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 mirrors
    3% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Suspension
    3% 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.

  • Seats and seatbelts
    2% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

  • Lights and electrics
    1% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

Questions to ask the seller before buying a 2018 BMW M3

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Can I see the service history and receipts for any big jobs?

Looking at a BMW M3?

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 M3 compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023–Too new for MOT data
2022894Tyres 13%
20211,350Tyres 15%
2020–Too few tests
2019–Too few tests
20172,880Tyres 16%
20162,242Tyres 16%
20151,622Tyres 17%
2014676Tyres 14%
20131,331Tyres 17%
20121,741Tyres 17%
20111,996Tyres 17%
20101,870Tyres 17%
20092,061Tyres 18%
20083,233Tyres 18%
20071,289Tyres 17%
20061,036Brakes 21%
20052,918Brakes 22%
20044,089Brakes 22%
20035,646Brakes 22%
20023,579Brakes 24%
2001923Brakes 24%
1999350Brakes 24%
1998580Brakes 22%
1997623Brakes 23%
1996508Brakes 23%
1995419Brakes 23%
1994209Brakes 20%
1993–Too few tests
1992–Too few tests
1991–Too few tests
1990169Lights and electrics 8%
1989–Too few tests
1988–Too few tests
1987–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 M3 cars first registered in 2018. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score