This part number does NOT fit AWD 325xi, 328xi, 330xi, and 335xi models For compatible E46 with M52/M54 engines, and Z4 with M54/N52 engines Fitted with a high-quality German INA bearing for smooth operation and long life Instantly restores proper driveshaft positioning and stabilization to help eliminate annoying clunking and vibration Manufactured to OE center support dimensions for proper driveshaft alignment and joint angles High-quality elastomer and alloy metal construction withstands intense undercar heat and vibration