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SPL Parts FKS series rear spherical trailing arm bushings for 1992–2005 BMW E36/E46 and 2003–2008 Z4 replace soft rubber RTABs with low‑friction articulating FK monoball bearings to eliminate bushing flex and reduce bind. CNC‑machined T6061 aluminum shells and self‑lubricating Teflon‑lined bearings preserve suspension geometry under load for improved handling and feedback. Sold as a complete kit; made in the USA.
SPL Parts 90-00 BMW 3 Series (E36/E46) Rear Trailing Arm Bushings
