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The ST X coilover kit for 2003–2008 BMW Z4 (Z85) balances everyday comfort with responsive handling and broad height adjustability to fine-tune wheel and tire fit. It incorporates a composite spring perch with stainless-steel insert to prevent corrosion, galvanized zinc-coated struts, elastomer bump stops and a dust protection system to shield the piston rod and valve packs. Dampers are vehicle-specific, hand-built and dyno-tested by KW in Germany.
ST Coilover Kit 03-08 BMW Z4 (Z85)
