BMW Z4 MOT Pass Rate
82.9% of 13,194 BMW Z4 MOT tests pass.
At 82.9%, The Z4 passes slightly less often than the average across all BMW models (84.8%).
The BMW Z4 has a pass rate of 82.9%, a little higher than the national average for cars (78.3%).
Pass rate by vehicle age
Pass rate declines noticeably with age, from 89.8% at 0–3 years to 76.6% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | 89.8% | 167 | 20,040 miles |
| 3–6 years | 93.2% | 1,931 | 25,230 miles |
| 6–10 years | 89.4% | 1,324 | 45,124 miles |
| 10–15 years | 85.5% | 3,645 | 65,247 miles |
| 15+ years | 76.6% | 6,127 | 90,305 miles |
Common MOT failure reasons for the BMW Z4
The most common reason the BMW Z4 fails its MOT is lamps, reflectors and electrical equipment — present in 31.4% of failed tests, most often logged as "not working".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 31.4% | not working |
| Suspension | 31.3% | ball joint excessively worn |
| Brakes | 29.6% | excessively corroded |
| Tyres | 28.3% | has ply or cords exposed |
| Visibility | 16.4% | does not clear the windscreen effectively |
| Noise, emissions and leaks | 13.1% | inoperative or indicates a malfunction |
| Road Wheels | 6.2% | fractured |
| Seat belts and supplementary restraint systems | 3.7% | warning lamp indicates a fault |
| Body, chassis, structure | 3.6% | ineffective |
| Identification of the vehicle | 2.6% | does not conform to the specified requirements |