AST lowering springs for 1988–1991 BMW Z1 lower ride height about 25mm front and rear while retaining much of the OEM ride comfort. Offered as direct replacements, they reduce center of gravity for improved stance and handling without a harsh ride. Cold‑coiled on Wafios machines with a progressive rate profile, these vehicle‑specific springs balance lowered looks and driving stability and include a lifetime warranty against breakage.
AST 06/88-06/1991 BMW Z1 Lowering Springs - 25mm/25mm (HA little fitting)