BMW Z4 exterior lighting problems by year
15 NHTSA owner complaints name the exterior lighting across 5 Z4 model years. The most reported year is 2004 with 6 reports.
| Year | Exterior Lighting reports | Share | Median mileage | |
|---|---|---|---|---|
| 2007 Z4 | 2 | 6% | — | |
| 2006 Z4 | 4 | 4% | — | |
| 2005 Z4 | 1 | 1% | — | |
| 2004 Z4 | 6 | 1% | — | |
| 2003 Z4 | 2 | 0% | — |
Share is the fraction of that year’s complaints naming the exterior lighting. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.