Rozmiary opon BMW Z4 Roadster E85
| Nazwa | Lata produkcji | Moc KM | Moc KW | Typ silnika |
| BMW Z4 Roadster E85 M 3.2 | 2006 - 2008 | 344 | 252 | Benzyna |
| BMW Z4 Roadster E85 3.0si | 2006 - 2008 | 259 | 190 | Benzyna |
| BMW Z4 Roadster E85 3.0i | 2002 - 2005 | 232 | 170 | Benzyna |
| BMW Z4 Roadster E85 2.5i | 2003 - 2008 | 192 | 141 | Benzyna |
| BMW Z4 Roadster E85 2.5si | 2006 - 2008 | 177 | 130 | Benzyna |
| BMW Z4 Roadster E85 2.2i | 2005 - 2006 | 170 | 125 | Benzyna |
| BMW Z4 Roadster E85 2.0i | 2005 - 2008 | 150 | 110 | Benzyna |