BMW 420I M SPORT AUTO MOT Pass Rate
93.2% of 2,078 BMW 420I M SPORT AUTO MOT tests pass.
The 420I M SPORT AUTO passes its MOT 93.2% of the time — well above the average across all BMW models, which sits at 84.8%.
The BMW 420I M SPORT AUTO passes its MOT 93.2% of the time — well above the national average for cars, which sits at 78.3%.
Pass rate by vehicle age
Unusually, pass rate is higher for older examples: 92.0% at 0–3 years compared with 94.4% at 3–6 years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | 92.0% | 1,071 | 23,231 miles |
| 3–6 years | 94.4% | 1,007 | 27,929 miles |
| 6–10 years | no tests recorded | 0 | no reading |
| 10–15 years | no tests recorded | 0 | no reading |
| 15+ years | no tests recorded | 0 | no reading |
Common MOT failure reasons for the BMW 420I M SPORT AUTO
The most common reason the BMW 420I M SPORT AUTO fails its MOT is tyres — present in 73.1% of failed tests, most often logged as "has a bulge, caused by separation or partial failure of its structure".
| Category | Share of failed tests | Example |
|---|---|---|
| Tyres | 73.1% | has a bulge, caused by separation or partial failure of its structure |
| Lamps, reflectors and electrical equipment | 15.0% | too high |
| Visibility | 8.8% | provides insufficient washer liquid |
| Identification of the vehicle | 6.3% | incorrect |
| Road Wheels | 6.3% | fractured |
| Brakes | 1.9% | anti-slip provision missing |
| Suspension | 1.9% | ball joint excessively worn |
| Body, chassis, structure | 1.3% | cannot be opened from outside the vehicle |
| Noise, emissions and leaks | 1.3% | inoperative or indicates a malfunction |