What Changed
The Z4 roadster adopts the N52 3.0L six from the new 3-Series. The Z4 3.0i produces 215hp, an increase of 31 hp over last years 2.5i. The 3.0si produces 255hp, a 30 hp increase. The M roadster returns with a 330hp, 3.2L six-cylinder under the hood. The M package also adds a recalibrated suspension, 18-inch wheels, and a new front fascia. |
 | |
| 2006 BMW Z4 Roadster | 2005 BMW Z4 Roadster | |
| Price Range | ||
| Engine(s) | 3.0l I6, 3.2l I6 | 2.5l I6, 3.0l I6 |
| Transmission(s) | A6, M6 | A5, M5, M6 |
| Driven Wheels | RWD | RWD |
| Length / Width / Height | 161.1 / 70.1 / 50.1 | 161.1 / 70.1 / 51.1 |
| Curb Weight (lbs.) | 3020 - 3197 | 2932 - 3042 |