2018 BMW M4 · 9,895 MOT tests
2018 BMW M4 reliability
2018 BMW M4s fail 10.3% of first MOT tests, 28% fewer MOT fails than the average car its age and mileage, ranking 5 of 7 M4 years (9,895 DVSA tests, 2022 to 2024).
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- first-time fail rate (all BMW M4s: 10.5%)
- 10.3%
- first-time fail rate (all BMW M4s: 10.5%)
- fails than cars of the same age and mileage
- 28% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 5
- 31,214
- typical miles at its MOT, aged about 5
- MOT tests, 2022 to 2024
- 9,895
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 24% fewer MOT fails than the average car its age (the 2018 car does better)
- 2019 cars: 31% fewer MOT fails than the average car its age (the 2018 car does worse)
- Weak spot: tyres, 5.8% of tests fail here (27% above cars of the same age and mileage).
- Strong point: lights and electrics, 61% fewer fails than comparable cars.
- Plates: a 2018 car carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
Common problems
What fails on a 2018 BMW M4
Fail rate by area
- Tyres5.8%
- Suspension2.1%
- Lights and electrics1.3%
- Number plates and VIN0.8%
- Windscreen, wipers and mirrors0.8%
- Brakes0.4%
- Exhaust, emissions and leaks0.4%
Average for cars of the same age and mileage
Top failures
Tyre ply or cords exposed 2.64%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre cut reaching ply or cords 1.21%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Coil spring fractured or broken 1.12%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Tyre tread below 1.6mm 0.44%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Headlamp aim set too high 0.42%
Headlamps aimed too high can dazzle other drivers, and adjusting them is usually a quick job.
Number plate does not meet standards 0.39%
The plate does not meet legal specifications, so it must be replaced with a compliant one before the car is driven.
Common advisories
Tyre worn close to legal limit (5.82%) · Nail in tyre, monitor (1.66%) · Brake disc pitted or scored (1.47%) · Tyre slightly damaged or cracking (1.46%) · Tyre has a shallow cut (1.02%) · Tyre worn close to legal limit (0.84%)
Is a 2018 BMW M4 reliable?
2018 BMW M4s fail 10.3% of first MOT tests, 28% fewer MOT fails than the average car its age and mileage, ranking 5 of 7 M4 years (9,895 DVSA tests, 2022 to 2024).
What fails on a 2018 BMW M4 MOT?
Most often tyre ply or cords exposed (2.64% of tests), tyre cut reaching ply or cords (1.21% of tests), coil spring fractured or broken (1.12% of tests).
How many miles should a 2018 BMW M4 have done?
At its MOT aged about 5, a typical 2018 BMW M4 shows 31,214 miles. Much higher or lower is worth asking about.
What plate is a 2018 car?
A car first registered in 2018 carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
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