2008 Bmw 3 Series — MOT failures & pass rate
Across 155,384 MOT tests analysed for the 2008 Bmw 3 Series, the most common recorded failure areas were suspension, lighting & signalling and brakes. Its pass rate of 78.3% was in line with the average for executive cars of a similar age (77.5%). Higher-mileage examples failed more often — 23.3% in the 150k+ group versus 9.6% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 8.9% | 13,807 |
| 2 | Lighting & signalling | 8.8% | 13,676 |
| 3 | Brakes | 7.6% | 11,770 |
| 4 | Tyres | 6.9% | 10,677 |
| 5 | Emissions & environmental | 4.5% | 6,932 |
| 6 | Visibility | 3.7% | 5,770 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Shock absorbers | 8,256 |
| 2 | Headlamp aim | 6,965 |
| 3 | Tread depth | 6,270 |
| 4 | Pins and bushes | 5,403 |
| 5 | Position lamp | 5,367 |
| 6 | Rbt (sp) | 4,110 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Brakes | 35.8% | 55,673 |
| 2 | Suspension | 29.9% | 46,390 |
| 3 | Tyres | 27.9% | 43,277 |
| 4 | Emissions & environmental | 13.1% | 20,349 |
| 5 | Other defects | 9.0% | 14,044 |
| 6 | Visibility | 6.2% | 9,643 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 932 | 9.6% |
| 30-60k | 8,154 | 14.7% |
| 60-90k | 27,118 | 19.1% |
| 90-120k | 44,826 | 22.3% |
| 120-150k | 39,508 | 23.1% |
| 150k+ | 34,792 | 23.3% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 84,905 | 21.9% |
| Petrol | 70,479 | 21.4% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 37,763 | 21.3% |
| 2022 | 35,254 | 21.8% |
| 2023 | 31,636 | 22.1% |
| 2024 | 27,364 | 21.8% |
| 2025 | 23,367 | 21.4% |
What to check before buying a 2008 3 Series
Before buying a 2008 Bmw 3 Series, focus on the areas it most often fails on. Suspension accounted for 8.9% of tests for this year.
- Suspension (8.9% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
- Lighting & signalling (8.8% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (7.6% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2008 Bmw 3 Seriess pass their MOT?
78.3% of the 155,384 2008 Bmw 3 Series MOT tests in this dataset passed — a 21.7% fail rate.
What is the most common MOT failure on a 2008 Bmw 3 Series?
Suspension, recorded in 8.9% of tests, followed by lighting & signalling (8.8%).
Does the 2008 3 Series get worse with mileage?
Its MOT fail rate rises from 9.6% in the 0-30k band to 23.3% in the 150k+ band.
Methodology & source. Based on 155,384 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.