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The ST X coilover kit for 2006–2011 BMW E90 Sedan and 2007–2013 E92 Coupe delivers a street-oriented suspension upgrade with wide ride-height adjustability to refine stance and tire clearance. It uses a friction-optimized polyamide composite spring perch with embedded stainless-steel insert, galvanized zinc-coated struts, elastomer bump stops with dust protection and multi-layer seals. Dampers are hand-built and dyno-tested by KW in Germany.
ST Coilover Kit 06-11 BMW E90 Sedan / 07-13 BMW E92 Coupe
