MOT reliability
Bmw 420d
8 vehicles · 56 completed MOT tests analysed
84%
MOT pass rate
Based on 8 Bmw 420d vehicles and 56 completed MOT tests, the Bmw 420d has an overall 84% pass rate, with an average recorded mileage of 87,950 miles.
8
Vehicles
56
MOT tests
9,739
Avg miles / year
1.3
Faults per test
10%
Dangerous-fault share
Bmw 420d problem areas
Where faults occur most across all Bmw 420d MOT tests:
-
Tyres, wheels & suspension52%
-
Brakes21%
-
Other16%
-
Visibility11%
-
Lamps & electrical3%
-
Identification & plates1%
-
Seatbelts & equipment1%
Bmw 420d pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 2 | 2 | 100% |
| 3 | 7 | 86% |
| 4 | 11 | 73% |
| 5 | 7 | 86% |
| 6 | 7 | 100% |
| 7 | 7 | 86% |
| 8 | 5 | 80% |
| 9 | 5 | 80% |
| 10 | 3 | 67% |
| 11 | 1 | 100% |
Fuel types: Diesel (8)
Most common Bmw 420d MOT faults
These are the faults and advisories recorded most often across Bmw 420d MOT tests:
- Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (3 times)
- Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (3 times)
- Front Windscreen damaged but not adversely affecting driver's view stone chip (3.2 (a) (i)) (2 times)
- Windscreen damaged but not adversely affecting driver's view stone chip (3.2 (a) (i)) (2 times)
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (2 times)
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (2 times)
- Nearside Rear Tyre worn close to legal limit/worn on edge (worn close to legal limit) (5.2.3 (e)) (2 times)
- Offside Rear Tyre worn close to legal limit/worn on edge (worn close to legal limit) (5.2.3 (e)) (2 times)
- FRONT UNDERTRAY FITTED (2 times)
- Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement FRONT BENT ARM (5.3.4 (a) (i)) (2 times)
- Offside Front Suspension arm pin or bush worn but not resulting in excessive movement FRONT BENT ARM (5.3.4 (a) (i)) (2 times)
- Offside Rear Tyre worn close to legal limit/worn on edge JUST ABOVE THE TREAD WEAR BARS - 255/35R19 BRIDGESTONE POTENZA S001 RUNFLAT (5.2.3 (e)) (2 times)
- Nearside Rear Tyre worn close to legal limit/worn on edge 3mm (5.2.3 (e)) (2 times)
- Offside Rear Child Seat fitted not allowing full inspection of adult belt (2 times)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (1 times)
Bmw 420d pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2019 | 2 | 11 | 91% | 69,883 |
| 2018 | 1 | 6 | 83% | 45,616 |
| 2017 | 1 | 10 | 70% | 96,232 |
| 2016 | 2 | 18 | 83% | 121,187 |
| 2014 | 1 | 10 | 90% | 104,449 |
Bmw 420d reliability FAQ
Across 8 Bmw 420d vehicles in our MOT data,
84% pass the MOT (a 16% failure rate), with about
1.3 faults or advisories recorded per test.
The most frequently recorded Bmw 420d MOT issues are:
Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)); Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)); Front Windscreen damaged but not adversely affecting driver's view stone chip (3.2 (a) (i)).
The typical Bmw 420d in our data has covered around
87,950 miles.
Compare the Bmw 420d
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