2017 · 7 years old at test · Petrol mostly

2017 BMW Z4 MOT pass rate and common faults

142 MOT tests in 2024. 86.6% passed first time, compared with 79.8% for all cars the same age.

109Well above average
Passed first time86.6%
Failed or needed repairs13.4%
Typical mileage at test36,000

Most common reasons for failing

Share of all 142 tests where this item caused a failure.

  1. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords4.2%
  2. Tyres - condition: has ply or cords exposed4.2%
    8 marked dangerous
  3. Road Wheels - condition: fractured3.5%
    5 marked dangerous
  4. Tyres - condition: has a bulge, caused by separation or partial failure of its structure2.1%
    3 marked dangerous
  5. Size/type: of different sizes are fitted on the same axle.1.4%
  6. Size/type: with different aspect ratios are fitted on the same axle.0.7%
  7. Road Wheels - condition: has a welding defect0.7%
    1 marked dangerous
  8. Stop lamp: not working0.7%
  9. Coil spring: fractured or broken0.7%
  10. Headlamp aim: too low0.7%

Problem areas

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

  1. Tyres12.7%
  2. Wheels4.2%
  3. Lights & electrics1.4%
  4. Suspension0.7%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm11.3%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure8.5%
  3. Brake discs: in such a condition that it is seriously weakened7.7%
  4. Road Wheels - condition: badly distorted2.8%
  5. Brake pads: less than 1.5 mm thick2.8%

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 a cut in excess of the requirements deep enough to reach the ply or cords. 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 2017 BMW Z4?

In 2024, 86.6% of 2017 BMW Z4 cars passed their MOT first time, across 142 tests. The average for all 7-year-old cars was 79.8%.

What are the most common MOT failures on a 2017 BMW Z4?

The most common failure reasons were 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; road wheels - condition: fractured. The biggest problem area was tyres.

Is the 2017 BMW Z4 reliable at MOT time?

Its MOT Rank score is 109, which is well above average for a car of its age (100 means exactly average).