437 problems have been reported for the 2004 BMW Z4. The following chart shows the 14 most common problems for 2004 BMW Z4. The number one most common problem is related to the vehicle's steering with 377 problems. The second most common problem is related to the vehicle's air bags (18 problems).
| Problem Category | Number of Problems |
|---|---|
| Steering | |
| Air Bag | |
| Electrical System | |
| Exterior Lighting | |
| Visibility | |
| Service Brakes | |
| Power Train | |
| Electronic Stability Control | |
| Equipment | |
| Structure | |
| Vehicle Speed Control | |
| Unknown Or Other | |
| Suspension | |
| Seats |
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 BMW Z4 in 2004.
| 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 | |
| 2004 |
When making the decision between buying a new or used BMW Z4, the following table can be used to compare the 2004 BMW Z4 with the BMW Z4 from other model years. Note that the number of problems reported for the 2004 Z4 is 437 while the average number of problems reported for the 18 model years of the BMW Z4 is 76.