# BMW Z4 MOT reliability: pass rate and common failures | RegFlags

The BMW Z4 passes its MOT first time 78% of the time, from 35,180 MOT tests. See pass rates by year, common failures and typical mileage.

- First-time MOT pass rate: 78%
- MOT tests analysed: 35,180 (DVSA anonymised MOT data, 2025)
- Most common failure area: Wheels & tyres
- Licensed in Great Britain: 33,511 (2026 Q2)

## By year of first use and fuel

| Year | Fuel | MOT tests | First-time pass rate |
| --- | --- | --- | --- |
| 2023 | Petrol | 67 (few mots) | 97% |
| 2022 | Petrol | 936 | 92% |
| 2021 | Petrol | 1,072 | 91% |
| 2020 | Petrol | 1,528 | 91% |
| 2019 | Petrol | 2,014 | 89% |
| 2017 | Petrol | 145 | 82% |
| 2016 | Petrol | 1,230 | 83% |
| 2015 | Petrol | 1,587 | 82% |
| 2014 | Petrol | 1,916 | 82% |
| 2013 | Petrol | 1,574 | 80% |
| 2013 | Diesel | 1 (very few mots) | 100% |
| 2012 | Petrol | 1,827 | 80% |
| 2012 | Diesel | 6 (very few mots) | 83% |
| 2011 | Petrol | 1,961 | 81% |
| 2011 | Diesel | 4 (very few mots) | 100% |
| 2010 | Petrol | 1,955 | 80% |
| 2010 | Diesel | 1 (very few mots) | 100% |
| 2009 | Petrol | 2,426 | 80% |
| 2008 | Petrol | 1,749 | 70% |
| 2007 | Petrol | 3,096 | 73% |
| 2007 | Diesel | 3 (very few mots) | 33% |
| 2006 | Petrol | 2,876 | 71% |
| 2005 | Petrol | 1,948 | 65% |
| 2004 | Petrol | 2,893 | 70% |
| 2004 | Diesel | 2 (very few mots) | 50% |
| 2003 | Petrol | 2,361 | 69% |
| 2003 | LPG | 1 (very few mots) | 100% |
| 1999 | Petrol | 1 (very few mots) | 100% |

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