2018 BMW 7 Series · 7,061 MOT tests
2018 BMW 7 Series reliability
2018 BMW 7 Seriess fail 7.6% of first MOT tests, 57% fewer MOT fails than the average car its age and mileage, ranking 3 of 22 7 Series years (7,061 DVSA tests, 2022 to 2024).
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- first-time fail rate (all BMW 7 Seriess: 15.9%)
- 7.6%
- first-time fail rate (all BMW 7 Seriess: 15.9%)
- fails than cars of the same age and mileage
- 57% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 5
- 48,758
- typical miles at its MOT, aged about 5
- MOT tests, 2022 to 2024
- 7,061
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 50% fewer MOT fails than the average car its age (the 2018 car does better)
- 2019 cars: 56% fewer MOT fails than the average car its age (the 2018 car does better)
- Strong point: tyres, 28% 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 7 Series
Fail rate by area
- Tyres4%
- Lights and electrics0.9%
- Exhaust, emissions and leaks0.9%
- Windscreen, wipers and mirrors0.6%
- Wheels0.6%
- Body, chassis and structure0.6%
- Brakes0.6%
Average for cars of the same age and mileage
Top failures
Tyre cut reaching ply or cords 0.95%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre bulge from structural failure 0.79%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Tyre tread below 1.6mm 0.71%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre ply or cords exposed 0.65%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Diesel engine warning light faulty 0.5%
A lit or non-working engine warning light can hide faults, so diagnosis is needed before buying.
Side repeater not working 0.31%
A failed side repeater means other road users cannot see your intended direction change, which is dangerous and must be fixed.
Common advisories
Tyre worn close to legal limit (7.87%) · Brake pads wearing thin (2.7%) · Tyre worn close to legal limit (1.35%) · Nail in tyre, monitor (1.16%) · Propshaft coupling slightly deteriorated (1.02%) · Tyre has a shallow cut (0.99%)
Other years
Every BMW 7 Series year
The full picture: BMW 7 Series reliability. Before you pay for any BMW 7 Series, 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 2018 BMW 7 Series reliable?
2018 BMW 7 Seriess fail 7.6% of first MOT tests, 57% fewer MOT fails than the average car its age and mileage, ranking 3 of 22 7 Series years (7,061 DVSA tests, 2022 to 2024).
What fails on a 2018 BMW 7 Series MOT?
Most often tyre cut reaching ply or cords (0.95% of tests), tyre bulge from structural failure (0.79% of tests), tyre tread below 1.6mm (0.71% of tests).
How many miles should a 2018 BMW 7 Series have done?
At its MOT aged about 5, a typical 2018 BMW 7 Series shows 48,758 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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