BMW 428 MOT Pass Rate
83.6% of 1,303 BMW 428 MOT tests pass.
At 83.6%, The 428 passes slightly less often than the average across all BMW models (84.8%).
The BMW 428 passes its MOT 83.6% 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: 82.3% at 6–10 years compared with 84.7% at 10–15 years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | no tests recorded | 0 | no reading |
| 3–6 years | no tests recorded | 0 | no reading |
| 6–10 years | 82.3% | 623 | 66,316 miles |
| 10–15 years | 84.7% | 680 | 77,007 miles |
| 15+ years | no tests recorded | 0 | no reading |
Common MOT failure reasons for the BMW 428
The most common reason the BMW 428 fails its MOT is tyres — present in 42.4% of failed tests, most often logged as "has ply or cords exposed".
| Category | Share of failed tests | Example |
|---|---|---|
| Tyres | 42.4% | has ply or cords exposed |
| Lamps, reflectors and electrical equipment | 18.4% | not working |
| Brakes | 14.7% | less than 1.5 mm thick |
| Suspension | 14.3% | has a serious fluid leak |
| Noise, emissions and leaks | 10.6% | carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits |
| Visibility | 6.5% | provides insufficient washer liquid |
| Road Wheels | 3.7% | fractured |
| Body, chassis, structure | 2.4% | has a major leak of exhaust gases |
| Identification of the vehicle | 1.6% | does not conform to the specified requirements |
| Seat belts and supplementary restraint systems | 0.8% | buckle not functioning as intended |