# BMW 850 MOT reliability: pass rate and common failures | RegFlags

The BMW 850 passes its MOT first time 84% of the time, from 154 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 84%
- MOT tests analysed: 154 (DVSA anonymised MOT data, 2025)
- Most common failure area: Lights & electrics

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2021 | Petrol | 1 (very few mots) | 100% |
| 2020 | Petrol | 3 (very few mots) | 100% |
| 2019 | Petrol | 6 (very few mots) | 83% |
| 1999 | Petrol | 1 (very few mots) | 100% |
| 1997 | Petrol | 2 (very few mots) | 100% |
| 1996 | Petrol | 7 (very few mots) | 86% |
| 1995 | Petrol | 13 (very few mots) | 100% |
| 1994 | Petrol | 19 (very few mots) | 90% |
| 1993 | Petrol | 21 (few mots) | 76% |
| 1992 | Petrol | 25 (few mots) | 88% |
| 1991 | Petrol | 54 (few mots) | 80% |
| 1990 | Petrol | 2 (very few mots) | 50% |

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