BMW Z4 — reliability by registration year
2003–2022 · 18 registration years · 33,376 first tests
Registration years
First-attempt MOT results for every Z4 registration year with at least 500 first tests in 2025. Pass rates rise with newer cars, so read a year against its neighbours rather than against the top of the table. Years without their own report are listed here with the same figures.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2022 | 836 | 91.7% | 92.9% | |
| 2021 | 981 | 91.1% | 92.0% | |
| 2020 | 1,425 | 90.2% | 91.4% | Tyres — Condition (front) 45.3% |
| 2019 | 1,895 | 88.3% | 89.8% | Tyres — Condition (front) 42.5% |
| 2016 | 1,179 | 82.1% | 83.9% | Tyres — Condition (rear) 28.0% |
| 2015 | 1,530 | 81.8% | 83.4% | Tyres — Condition (rear) 23.0% |
| 2014 | 1,839 | 81.8% | 84.1% | Tyres — Condition (rear) 20.4% |
| 2013 | 1,515 | 80.1% | 82.5% | Tyres — Condition (rear) 23.5% |
| 2012 | 1,769 | 79.7% | 82.6% | Tyres — Condition (rear) 18.4% |
| 2011 | 1,876 | 80.7% | 83.2% | Tyres — Condition (rear) 16.9% |
| 2010 | 1,890 | 79.9% | 82.6% | Tyres — Condition (rear) 16.6% |
| 2009 | 2,358 | 79.5% | 82.9% | Coil spring (rear) 14.7% |
| 4.9 pp better than the years either side What failed 2009 Z4s most often: Coil spring (rear) (14.7%) · Tyres — Condition (rear) (11.4%) | ||||
| 2008 | 1,674 | 69.2% | 74.3% | Malfunction indicator lamp 15.3% |
| 7.0 pp worse than the years either side What failed 2008 Z4s most often: Malfunction indicator lamp (15.3%) | ||||
| 2007 | 2,971 | 72.9% | 76.9% | Malfunction indicator lamp 12.9% |
| 2006 | 2,767 | 71.1% | 75.8% | Malfunction indicator lamp 11.5% |
| 2005 | 1,835 | 64.6% | 69.6% | SRS malfunction indicator lamp 16.5% |
| 2004 | 2,759 | 69.1% | 73.4% | SRS malfunction indicator lamp 15.6% |
| 2003 | 2,277 | 69.1% | 74.7% | SRS malfunction indicator lamp 18.9% |