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ST Sport lowering spring kit for BMW Z3 coupe and roadster (non‑M) provides a slight, vehicle-specific drop and is engineered to work with the original dampers. Spring rates are selected per application to preserve ride quality while improving handling. Constructed from chrome silicon steel with multi-tempering and an epoxy finish, these springs resist sag and help reduce body roll for more direct steering.
ST Sport-tech Lowering Springs BMW Z3 Coupe+Roadster; non M
