2015 BMW Z4 · 6,093 MOT tests
2015 BMW Z4 reliability
2015 BMW Z4s fail 13.5% of first MOT tests, 33% fewer MOT fails than the average car its age and mileage, ranking 7 of 16 Z4 years (6,093 DVSA tests, 2022 to 2024).
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- first-time fail rate (all BMW Z4s: 22.2%)
- 13.5%
- first-time fail rate (all BMW Z4s: 22.2%)
- fails than cars of the same age and mileage
- 33% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 8
- 41,354
- typical miles at its MOT, aged about 8
- MOT tests, 2022 to 2024
- 6,093
- MOT tests, 2022 to 2024
Year on year
2015 against the years either side
- 2014 cars: 33% fewer MOT fails than the average car its age (the 2015 car does better)
- 2016 cars: 8% fewer MOT fails than the average car its age (the 2015 car does better)
- Weak spot: wheels, 2.1% of tests fail here (875% above cars of the same age and mileage).
- Strong point: brakes, 67% fewer fails than comparable cars.
- Plates: a 2015 car carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
Common problems
What fails on a 2015 BMW Z4
Fail rate by area
- Tyres6.5%
- Wheels2.1%
- Lights and electrics2.1%
- Windscreen, wipers and mirrors1.8%
- Suspension1.7%
- Brakes1.3%
- Number plates and VIN0.3%
Average for cars of the same age and mileage
Top failures
Tyre ply or cords exposed 2.2%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Road wheel fractured or welded defect 1.76%
A fractured wheel can fail suddenly and cause loss of control, so it must be replaced before driving.
Tyre cut reaching ply or cords 1.28%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre tread below 1.6mm 1.02%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Coil spring fractured or broken 0.8%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Tyre bulge from structural failure 0.61%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Common advisories
Tyre worn close to legal limit (9.4%) · Tyre slightly damaged or cracking (6.32%) · Brake disc pitted or scored (5.53%) · Brake pads wearing thin (4.73%) · Tyre has a shallow cut (1.35%) · Brake discs showing some wear (1.15%)
Other years
Every BMW Z4 year
The full picture: BMW Z4 reliability. Before you pay for any BMW Z4, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2015 BMW Z4 reliable?
2015 BMW Z4s fail 13.5% of first MOT tests, 33% fewer MOT fails than the average car its age and mileage, ranking 7 of 16 Z4 years (6,093 DVSA tests, 2022 to 2024).
What fails on a 2015 BMW Z4 MOT?
Most often tyre ply or cords exposed (2.2% of tests), road wheel fractured or welded defect (1.76% of tests), tyre cut reaching ply or cords (1.28% of tests).
How many miles should a 2015 BMW Z4 have done?
At its MOT aged about 8, a typical 2015 BMW Z4 shows 41,354 miles. Much higher or lower is worth asking about.
What plate is a 2015 car?
A car first registered in 2015 carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
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