BMW 4 SERIES MOT Pass Rate
88.9% of 219,697 BMW 4 SERIES MOT tests pass.
The 4 SERIES has a pass rate of 88.9%, a little higher than the average across all BMW models (85.5%).
The BMW 4 SERIES passes its MOT 88.9% of the time — well above the national average for cars, which sits at 79.2%.
Pass rate by vehicle age
Pass rate eases gradually with age, from 91.6% at 0–3 years to 84.2% at 10–15 years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | 91.6% | 12,747 | 24,261 miles |
| 3–6 years | 90.8% | 54,670 | 40,699 miles |
| 6–10 years | 88.4% | 137,959 | 71,438 miles |
| 10–15 years | 84.2% | 14,321 | 90,469 miles |
| 15+ years | no tests recorded | 0 | no reading |
Common MOT failure reasons for the BMW 4 SERIES
The most common reason the BMW 4 SERIES fails its MOT is tyres — present in 55.7% of failed tests, most often logged as "Tread depth below requirements of 1.6mm".
| Category | Share of failed tests | Example |
|---|---|---|
| Tyres | 55.7% | Tread depth below requirements of 1.6mm |
| Lamps, reflectors and electrical equipment | 20.5% | Not working |
| Brakes | 15.6% | Less than 1.5 mm thick |
| Suspension | 11.9% | Has a serious fluid leak |
| Visibility | 10.3% | Provides insufficient washer liquid |
| Road Wheels | 6.4% | Fixing missing |
| Identification of the vehicle | 4.1% | Does not conform to the specified requirements |
| Noise, emissions and leaks | 3.3% | Inoperative or indicates a malfunction |
| Body, chassis, structure | 1.7% | Constant velocity boot split or insecure, no longer prevents the ingress of dirt |
| Seat belts and supplementary restraint systems | 0.8% | Warning lamp indicates a fault |
Related BMW models
- BMW 3 SERIES — 82.6% pass rate
- BMW 1 SERIES — 83.7% pass rate
- BMW 5 SERIES — 85.0% pass rate
- BMW 2 SERIES — 89.3% pass rate
- BMW X5 — 86.7% pass rate
- BMW X3 — 86.5% pass rate