Bmw 3 Series: lighting & signalling MOT failures
Lighting & signalling was a recorded failure area in 7.8% of Bmw 3 Series MOT tests in this dataset. It is most prominent on 1996, 1997 cars.
Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair cost: £10–£150 (rough UK ballpark, not a quote).
Lighting & signalling failures by year
| Model year | Tests | Fail rate |
|---|---|---|
| 1996 | 7,892 | 12.9% |
| 1997 | 11,104 | 13.2% |
| 1999 | 19,712 | 12.4% |
| 2000 | 22,083 | 12.1% |
| 2001 | 39,593 | 12.6% |
| 2002 | 59,483 | 11.5% |
| 2003 | 78,535 | 10.2% |
| 2004 | 75,296 | 9.8% |
| 2005 | 92,143 | 10.0% |
| 2006 | 137,664 | 9.9% |
| 2008 | 155,384 | 8.8% |
Methodology & source. 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.