Tech-53's Solid Delrin Control Arm Bushing have an off-center hole to add caster and camber. Usually called Lollypop off set Bushing ; OEM rubber bushing are wearing out very quickly or has never been changed. The OEM unit was created to damped all the vibration of the roads to allow comfort in the car. The offset bushing in rubber came standard with late E30 M3 and early E36 M3. For performance application these were created not only to improve stability of the car, but to remove deflection of the rubber. The low coefficiency of the Delrin is perfect for the control arm to move freely in the bushing. Alignment is strongly recommended after the installation of the kit.This kit comes as a pair.These replace OEM part number 31129064875 These bushings will replace the following BMW’s: M3 (E30 & E36) 325 318 318TI E30 Z3
