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The SPL Parts rear traction arm knuckle bushings replace the rubber factory bushings on BMW F2x and F3x/F4x models with a low-friction Teflon-lined spherical bearing to reduce deflection and binding under load. CNC-machined 6061-T6 aluminum housings and large FK bearings improve longevity and lower NVH. Sold as a pair and made in the USA, these bushings are intended as a durable upgrade to the OEM components.
SPL Parts 2010+ BMW F2x 2 Series / 2011+ BMW F3 X 3 & 4 Series Rear Traction Arm Knuckle Bushing
