2018 · 6 years old at test · Petrol mostly

2018 BMW m4 MOT pass rate and common faults

1,996 MOT tests in 2024. 87.4% passed first time, compared with 82.5% for all cars the same age.

106Above average
Passed first time87.4%
Failed or needed repairs12.6%
Typical mileage at test35,000

Most common reasons for failing

Share of all 1,996 tests where this item caused a failure.

  1. Tyres - condition: has ply or cords exposed3.8%
    182 marked dangerous
  2. Coil spring: fractured or broken2.8%
  3. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.6%
  4. Suspension arms - ball joint: ball joint excessively worn0.8%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.6%
    18 marked dangerous
  6. Tread depth below requirements of 1.6mm0.6%
    26 marked dangerous
  7. Washers: provides insufficient washer liquid0.6%
  8. Registration plates: does not conform to the specified requirements0.4%
  9. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits0.4%
  10. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.3%
    11 marked dangerous

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Tyres7.6%
  2. Suspension3.6%
  3. Lights & electrics1.5%
  4. Visibility (wipers, screen, mirrors)1.2%
  5. Emissions & leaks0.7%
  6. Number plates & VIN0.6%
  7. Brakes0.6%
  8. Wheels0.2%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm9.3%
  2. Brake discs: in such a condition that it is seriously weakened2.9%
  3. Non-component advisories: Nail in tyre2.8%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure2.7%
  5. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm1.6%

What this means if you are buying one

This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone. Before buying, check the area that fails most: tyres - condition: has ply or cords exposed. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

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Questions

What is the MOT pass rate for a 2018 BMW m4?

In 2024, 87.4% of 2018 BMW m4 cars passed their MOT first time, across 1,996 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 BMW m4?

The most common failure reasons were tyres - condition: has ply or cords exposed; coil spring: fractured or broken; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords. The biggest problem area was tyres.

Is the 2018 BMW m4 reliable at MOT time?

Its MOT Rank score is 106, which is above average for a car of its age (100 means exactly average).