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The ST X coilover system for the 2014 BMW 428i base RWD convertible blends street comfort with sporty handling while offering broad ride-height adjustability. Hand-built by KW in Germany, these application-specific coilovers use a composite spring perch, galvanized zinc-coated steel struts and a dust-protection package to preserve durability and simplify height adjustment for everyday-driven cars that want a tuned look and handling.
ST Coilover Kit 2014 BMW 428i Base RWD Convertible
