2020 · 4 years old at test · Petrol mostly

2020 BMW m340I MOT pass rate and common faults

1,387 MOT tests in 2024. 88.0% passed first time, compared with 86.9% for all cars the same age.

101About average
Passed first time88.0%
Failed or needed repairs12.0%
Typical mileage at test31,000

Most common reasons for failing

Share of all 1,387 tests where this item caused a failure.

  1. Tyres - condition: has a bulge, caused by separation or partial failure of its structure3.0%
    65 marked dangerous
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.6%
  3. Tyres - condition: has ply or cords exposed1.7%
    33 marked dangerous
  4. Suspension arms - ball joint: ball joint excessively worn0.7%
  5. Tread depth below requirements of 1.6mm0.7%
    14 marked dangerous
  6. Headlamp aim: too high0.6%
  7. Tyres - condition: has a lump, caused by separation or partial failure of its structure0.5%
    9 marked dangerous
  8. Registration plates: does not conform to the specified requirements0.4%
  9. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.4%
    11 marked dangerous
  10. Tyres - condition: has ply or cords damaged0.4%
    6 marked dangerous

Problem areas

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

  1. Tyres9.5%
  2. Lights & electrics1.3%
  3. Suspension0.9%
  4. Brakes0.8%
  5. Number plates & VIN0.6%
  6. Visibility (wipers, screen, mirrors)0.4%
  7. Wheels0.3%
  8. Body & chassis0.2%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm7.9%
  2. Brake pads: less than 1.5 mm thick2.5%
  3. Non-component advisories: Nail in tyre1.9%
  4. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.9%
  5. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm1.2%

What this means if you are buying one

This model year is about as good as an average car its age. Before buying, check the area that fails most: tyres - condition: has a bulge, caused by separation or partial failure of its structure. 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 2020 BMW m340I?

In 2024, 88.0% of 2020 BMW m340I cars passed their MOT first time, across 1,387 tests. The average for all 4-year-old cars was 86.9%.

What are the most common MOT failures on a 2020 BMW m340I?

The most common failure reasons were tyres - condition: has a bulge, caused by separation or partial failure of its structure; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; tyres - condition: has ply or cords exposed. The biggest problem area was tyres.

Is the 2020 BMW m340I reliable at MOT time?

Its MOT Rank score is 101, which is about average for a car of its age (100 means exactly average).