Bmw 1 Series: lighting & signalling MOT failures
Lighting & signalling was a recorded failure area in 7.6% of Bmw 1 Series MOT tests in this dataset. It is most prominent on 2004, 2005 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 |
|---|---|---|
| 2004 | 13,176 | 12.9% |
| 2005 | 48,562 | 12.7% |
| 2006 | 64,163 | 12.5% |
| 2007 | 72,549 | 10.9% |
| 2008 | 107,095 | 9.7% |
| 2009 | 130,176 | 9.4% |
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.