2018 · 6 years old at test · Hybrid mostly

2018 BMW i8 MOT pass rate and common faults

361 MOT tests in 2024. 90.0% passed first time, compared with 82.5% for all cars the same age.

109Well above average
Passed first time90.0%
Failed or needed repairs10.0%
Typical mileage at test27,000

Most common reasons for failing

Share of all 361 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm5.3%
    35 marked dangerous
  2. Registration plates: does not conform to the specified requirements1.1%
  3. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.8%
    4 marked dangerous
  4. Wipers: does not clear the windscreen effectively0.6%
  5. Side repeaters: not working0.6%
  6. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.3%
  7. Windscreen: in such a condition that visibility through swept area is seriously affected0.3%
    1 marked dangerous
  8. Tyres - condition: has ply or cords exposed0.3%
    1 marked dangerous
  9. Washers: provides insufficient washer liquid0.3%
  10. Malfunction indicator lamp: inoperative or indicates a malfunction0.3%

Problem areas

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

  1. Tyres7.2%
  2. Visibility (wipers, screen, mirrors)1.7%
  3. Number plates & VIN1.1%
  4. Lights & electrics1.1%
  5. Emissions & leaks0.3%
  6. Suspension0.3%
  7. Brakes0.3%
  8. Body & chassis0.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm18.8%
  2. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm2.8%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure2.2%
  4. Brake pads: less than 1.5 mm thick1.9%
  5. Non-component advisories: Nail in tyre1.4%

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: tread depth below requirements of 1.6mm. 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 i8?

In 2024, 90.0% of 2018 BMW i8 cars passed their MOT first time, across 361 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 BMW i8?

The most common failure reasons were tread depth below requirements of 1.6mm; registration plates: does not conform to the specified requirements; tyres - condition: has a bulge, caused by separation or partial failure of its structure. The biggest problem area was tyres.

Is the 2018 BMW i8 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).