MOT reliability
Bmw 420i
7 vehicles · 23 completed MOT tests analysed
83%
MOT pass rate
Based on 7 Bmw 420i vehicles and 23 completed MOT tests, the Bmw 420i has an overall 83% pass rate, with an average recorded mileage of 53,489 miles.
7
Vehicles
23
MOT tests
8,957
Avg miles / year
1.3
Faults per test
7%
Dangerous-fault share
Bmw 420i problem areas
Where faults occur most across all Bmw 420i MOT tests:
-
Tyres, wheels & suspension70%
-
Other10%
-
Brakes10%
-
Lamps & electrical3%
-
Emissions & nuisance3%
-
Seatbelts & equipment3%
Bmw 420i pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 3 | 2 | 100% |
| 4 | 3 | 100% |
| 5 | 1 | 100% |
| 6 | 1 | 100% |
| 7 | 2 | 100% |
| 8 | 3 | 67% |
| 9 | 5 | 80% |
| 10 | 5 | 60% |
| 12 | 1 | 100% |
Fuel types: Petrol (7)
Most common Bmw 420i MOT faults
These are the faults and advisories recorded most often across Bmw 420i MOT tests:
- Offside Front Nail in tyre (2 times)
- Nearside Rear Tyre worn close to legal limit/worn on edge tread depth low (5.2.3 (e)) (2 times)
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (2 times)
- Nearside Front Tyre slightly damaged/cracking or perishing cracking on shoulder (5.2.3 (d) (ii)) (1 times)
- Nearside Rear Tyre slightly damaged/cracking or perishing cracking on shoulder (5.2.3 (d) (ii)) (1 times)
- Offside Front Tyre slightly damaged/cracking or perishing cracking on shoulder (5.2.3 (d) (ii)) (1 times)
- Offside Rear Tyre slightly damaged/cracking or perishing cracking on shoulder (5.2.3 (d) (ii)) (1 times)
- Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (1 times)
- Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (1 times)
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (1 times)
- Front Tyre worn close to legal limit/worn on edge Inner & Outer edges (5.2.3 (e)) (1 times)
- Rear Tyre worn close to legal limit/worn on edge Inner edges (5.2.3 (e)) (1 times)
- Offside Rear Inner Position lamp not working IN THE BOOT LID (4.2.1 (a) (ii)) (1 times)
- Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) (1 times)
- Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (1 times)
Bmw 420i pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2022 | 1 | 2 | 100% | 32,396 |
| 2017 | 1 | 2 | 100% | 61,101 |
| 2016 | 2 | 2 | 100% | 55,842 |
| 2015 | 2 | 16 | 75% | 47,034 |
| 2014 | 1 | 1 | 100% | 75,179 |
Bmw 420i reliability FAQ
Across 7 Bmw 420i vehicles in our MOT data,
83% pass the MOT (a 17% failure rate), with about
1.3 faults or advisories recorded per test.
The most frequently recorded Bmw 420i MOT issues are:
Offside Front Nail in tyre ; Nearside Rear Tyre worn close to legal limit/worn on edge tread depth low (5.2.3 (e)); Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)).
The typical Bmw 420i in our data has covered around
53,489 miles.
Compare the Bmw 420i
See how the Bmw 420i stacks up against other Bmw models on MOT reliability:
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