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The AST lowering spring set for BMW 4 xDrive models built from July 2013 through October 2020 lowers ride height and reduces the center of gravity while preserving much of the OEM ride comfort. These vehicle‑specific springs are cold‑coiled on Wafios machines and use a progressive wind to balance a lowered stance and improved handling. Offered as direct OEM replacements, they carry a lifetime warranty against breakage and fit thousands of applications.
AST 07/2013-10/2020 BMW 4 XDRIVE Lowering Springs - 30mm/25mm
