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

The BMW 840I passes its MOT first time 86% of the time, from 3,994 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 86%
- MOT tests analysed: 3,994 (DVSA anonymised MOT data, 2025)
- Most common failure area: Wheels & tyres

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2023 | Petrol | 55 (few mots) | 93% |
| 2022 | Petrol | 1,067 | 85% |
| 2021 | Petrol | 1,290 | 88% |
| 2020 | Petrol | 1,327 | 85% |
| 2019 | Petrol | 255 | 85% |

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Canonical page: https://regflags.co.uk/reliability/b-m-w/840i
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