Bmw X3: lighting & signalling MOT failures
Lighting & signalling was a recorded failure area in 6.4% of Bmw X3 MOT tests in this dataset. It is most prominent on 2005, 2006 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 | 16,570 | 10.9% |
| 2005 | 19,415 | 11.5% |
| 2006 | 22,474 | 11.8% |
| 2007 | 16,190 | 10.9% |
| 2008 | 10,378 | 9.1% |
| 2009 | 8,822 | 7.9% |
| 2015 | 40,777 | 4.6% |
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.