# BMW 420D MOT reliability: pass rate and common failures | RegFlags

The BMW 420D passes its MOT first time 87% of the time, from 2,759 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 87%
- MOT tests analysed: 2,759 (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 | ED | 54 (few mots) | 93% |
| 2022 | ED | 1,213 | 89% |
| 2022 | Diesel | 5 (very few mots) | 100% |
| 2021 | ED | 1,329 | 86% |
| 2021 | Diesel | 15 (very few mots) | 87% |
| 2020 | ED | 134 | 85% |
| 2020 | Hybrid | 2 (very few mots) | 100% |
| 2020 | Diesel | 1 (very few mots) | 100% |
| 2019 | Diesel | 2 (very few mots) | 100% |
| 2017 | Diesel | 1 (very few mots) | 0% |
| 2016 | Diesel | 2 (very few mots) | 50% |
| 2014 | Diesel | 1 (very few mots) | 100% |

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