# BMW 840 MOT reliability: pass rate and common failures | RegFlags

The BMW 840 passes its MOT first time 78% of the time, from 667 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 78%
- MOT tests analysed: 667 (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 |
| --- | --- | --- | --- |
| 2022 | Petrol | 3 (very few mots) | 100% |
| 2022 | ED | 1 (very few mots) | 0% |
| 2021 | Petrol | 2 (very few mots) | 100% |
| 2021 | Diesel | 1 (very few mots) | 100% |
| 2020 | Petrol | 3 (very few mots) | 100% |
| 2020 | Diesel | 1 (very few mots) | 0% |
| 2019 | Diesel | 6 (very few mots) | 100% |
| 2019 | Petrol | 1 (very few mots) | 100% |
| 2018 | Diesel | 5 (very few mots) | 80% |
| 2016 | Diesel | 1 (very few mots) | 100% |
| 2008 | Petrol | 1 (very few mots) | 100% |
| 2000 | Petrol | 3 (very few mots) | 100% |
| 1999 | Petrol | 113 | 77% |
| 1998 | Petrol | 122 | 78% |
| 1997 | Petrol | 166 | 78% |
| 1996 | Petrol | 83 (few mots) | 74% |
| 1995 | Petrol | 103 | 82% |
| 1994 | Petrol | 46 (few mots) | 76% |
| 1993 | Petrol | 6 (very few mots) | 83% |

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