Z4 Roadster sDrive20i 09/11 - 01/13 1997 ccm 135 KW / 184 PS Benzin Heckantrieb Z4 Roadster sDrive23i 05/09 - 09/11 2497 ccm 150 KW / 204 PS Benzin Heckantrieb Z4 Roadster sDrive28i 09/11 - 01/13 1997 ccm 180 KW / 245 PS Benzin Heckantrieb Z4 Roadster sDrive30i 05/09 - 09/11 2996 ccm 190 KW / 258 PS Benzin Heckantrieb Z4 Roadster sDrive35i 05/09 - 01/13 2979 ccm 225 KW / 306 PS Benzin Heckantrieb Z4 Roadster sDrive35is 03/10 - 01/13 2979 ccm 250 KW / 340 PS Benzin Heckantrieb