2004 BMW Z4 vs 2006 BMW Z4
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2004 BMW Z4 | 2006 BMW Z4 |
|---|---|---|
| NHTSA complaints | 411 | 91 |
| Recall campaigns | 1 | 2 |
| Service bulletins (TSBs) | 42 | 51 |
| Investigations | 2 | 1 |
| Crash reports | 1 | 1 |
| Fire reports | 2 | 3 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | — | — |
| Median reported incident mileage | 47,000 mi | 54,901 mi |
Reported problems side by side
| Component | BMW Z4 | BMW Z4 |
|---|---|---|
| Steering | 378 | 55 |
| Air Bags | 18 | 14 |
| Electrical System | 14 | 13 |
| Exterior Lighting | 6 | 4 |
| Engine | 0 | 5 |
| Power Train | 3 | 1 |
| Structure | 3 | 1 |
| Visibility/wiper | 3 | 1 |
Symptoms owners describe
| Steering problems | 17 | 0 |
| Hesitation / surging | 5 | 0 |
| Airbag warning light | 0 | 7 |
2004 BMW Z4
2006 BMW Z4
Compare all BMW Z4 vs BMW Z4 years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.