# BMW 635 MOT reliability: pass rate and common failures | RegFlags

The BMW 635 passes its MOT first time 78% of the time, from 1,778 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 78%
- MOT tests analysed: 1,778 (DVSA anonymised MOT data, 2025)
- Most common failure area: Suspension & axles

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2012 | Diesel | 1 (very few mots) | 100% |
| 2011 | Diesel | 6 (very few mots) | 83% |
| 2011 | Petrol | 3 (very few mots) | 0% |
| 2010 | Diesel | 404 | 80% |
| 2010 | Petrol | 2 (very few mots) | 100% |
| 2009 | Diesel | 359 | 73% |
| 2009 | Petrol | 3 (very few mots) | 67% |
| 2008 | Diesel | 458 | 78% |
| 2008 | Petrol | 3 (very few mots) | 67% |
| 2007 | Diesel | 149 | 77% |
| 2007 | Petrol | 4 (very few mots) | 100% |
| 1992 | Petrol | 1 (very few mots) | 100% |
| 1991 | Petrol | 1 (very few mots) | 100% |
| 1990 | Petrol | 26 (few mots) | 77% |
| 1989 | Petrol | 111 | 85% |
| 1988 | Petrol | 77 (few mots) | 91% |
| 1987 | Petrol | 35 (few mots) | 74% |
| 1986 | Petrol | 59 (few mots) | 76% |
| 1985 | Petrol | 36 (few mots) | 75% |
| 1984 | Petrol | 14 (very few mots) | 64% |
| 1983 | Petrol | 13 (very few mots) | 69% |
| 1982 | Petrol | 8 (very few mots) | 88% |
| 1981 | Petrol | 2 (very few mots) | 100% |
| 1980 | Petrol | 2 (very few mots) | 100% |
| 1979 | Petrol | 1 (very few mots) | 100% |

---

Canonical page: https://regflags.co.uk/reliability/b-m-w/635
RegFlags by Steady Circuit Ltd.