SPL Parts Rear Spherical Trailing Arm Bushing Set (RTAB) - 2001-2005 BMW 330xi (E46)SPL Parts FKS Series Rear Trailing Arm Bushings (RTAB) for the 1992 1995 BMW 320i (E36) replace the stock mushy rubber bushings with low friction articulating spherical bearings, eliminating bushing flex and reducing bind friction. This maintains optimum suspension geometry under load to improve handling and feedback, and removes the toe change under high load that the OEM bearing would allow. Our Monoball Bushings feature FK Racing Bearings with a