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The AST lowering springs for BMW 4 xDrive (March 2014–July 2021) reduce the car's center of gravity while retaining much of the OEM ride comfort as a direct replacement. Cold‑coiled on premium Wafios machines with a progressive profile, they deliver a controlled lowered stance and improved handling. Vehicle‑specific fitment, premium materials and a lifetime warranty against breakage provide long‑term reliability across thousands of supported models.
AST 03/2014-07/2021 BMW 4 XDRIVE Lowering Springs - 40mm/35mm
