DRIVESHAFT CENTER SUPPORT BEARING & FLEX DISC GUIBO KIT for BMW E46(1999-2005) & Z4(2003-2008) FREE SHIPPING UPGRADE TO PRIORITY MAIL!!!!! Kit Includes: Part# 26-12-7-501-257...Driveshaft Center Support Bearing: Part# 26-11-7-511-454...Flex Disc - Guibo (96mm diameter/12mm bolt holes: Connects the output shaft of the transmission to the driveshaft, a common source of drive train vibration) UNSURE OF FITMENT?? We are here to help. Please contact us. 1999-2005 E46 BMW 323i 323ci 325i 325ci - Automatic & SMG Transmissions only; 1999-2005 E46 BMW 328i 328ci 330i 330ci - Manual, Auto, and SMG; (not including 325xi or 330xi models) 2003-2008 E85 Z4 BMW Z4 2.5i - Automatic or SMG Transmission; 2003-2008 E85 Z4 BMW Z4 3.0i Z4 3.0si