BMW 518 MOT Pass Rate
83.8% of 1,025 BMW 518 MOT tests pass.
The 518's pass rate of 83.8% is in line with the average across all BMW models, at 84.8%.
The BMW 518 passes its MOT 83.8% of the time — well above the national average for cars, which sits at 78.3%.
Pass rate by vehicle age
Pass rate declines noticeably with age, from 86.2% at 6–10 years to 71.6% at 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 | 86.2% | 465 | 123,389 miles |
| 10–15 years | 84.1% | 458 | 135,318 miles |
| 15+ years | 71.6% | 102 | 120,849 miles |
Common MOT failure reasons for the BMW 518
The most common reason the BMW 518 fails its MOT is tyres — present in 35.7% of failed tests, most often logged as "tread depth below requirements of 1.6mm".
| Category | Share of failed tests | Example |
|---|---|---|
| Tyres | 35.7% | tread depth below requirements of 1.6mm |
| Suspension | 33.2% | fractured or broken |
| Lamps, reflectors and electrical equipment | 19.4% | not working |
| Brakes | 18.9% | excessively corroded |
| Visibility | 15.3% | does not clear the windscreen effectively |
| Noise, emissions and leaks | 9.2% | inoperative or indicates a malfunction |
| Body, chassis, structure | 7.1% | has a major leak of exhaust gases |
| Road Wheels | 6.6% | fixing missing |
| Seat belts and supplementary restraint systems | 3.1% | warning lamp indicates a fault |
| Steering | 2.6% | ball joint has excessive play |