199 problems have been reported for the 2005 BMW Z4. The following chart shows the 13 most common problems for 2005 BMW Z4. The number one most common problem is related to the vehicle's steering with 171 problems. The second most common problem is related to the vehicle's air bags (9 problems).
| Problem Category | Number of Problems |
|---|---|
| Steering | |
| Air Bag | |
| Electrical System | |
| Engine And Engine Cooling | |
| Suspension | |
| Vehicle Speed Control | |
| Structure | |
| Service Brakes | |
| Electronic Stability Control | |
| Wheel | |
| Seat Belt | |
| Exterior Lighting | |
| Gasoline Fuel System |
The following chart shows the number of problems reported during each of the service years since the debut of the 2005 BMW Z4 in 2005.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 |
When making the decision between buying a new or used BMW Z4, the following table can be used to compare the 2005 BMW Z4 with the BMW Z4 from other model years. Note that the number of problems reported for the 2005 Z4 is 199 while the average number of problems reported for the 18 model years of the BMW Z4 is 76.