2003 BMW Z4 vs 2004 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 | 2003 BMW Z4 | 2004 BMW Z4 |
|---|---|---|
| NHTSA complaints | 414 | 411 |
| Recall campaigns | 4 | 1 |
| Service bulletins (TSBs) | 45 | 42 |
| Investigations | 1 | 2 |
| Crash reports | 5 | 1 |
| Fire reports | 0 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | — | — |
| Median reported incident mileage | 43,000 mi | 47,000 mi |
Reported problems side by side
| Component | BMW Z4 | BMW Z4 |
|---|---|---|
| Steering | 342 | 378 |
| Air Bags | 31 | 18 |
| Electrical System | 13 | 14 |
| Engine and Engine Cooling | 11 | 0 |
| Structure | 8 | 3 |
| Power Train | 7 | 3 |
| Exterior Lighting | 2 | 6 |
| Vehicle Speed Control | 6 | 1 |
Symptoms owners describe
| Steering problems | 17 | 17 |
| Airbag warning light | 17 | 0 |
| Stalling | 11 | 0 |
| Loss of power | 6 | 0 |
| Hesitation / surging | 0 | 5 |
2003 BMW Z4
2004 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.