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The AST lowering spring set for BMW 4 xDrive models built between March 2014 and July 2021 lowers ride height and reduces the vehicle’s center of gravity while maintaining much of the OEM ride comfort. Cold‑coiled on Wafios coilers with a progressive design, these vehicle‑specific springs balance stance and handling at lowered height. Offered as direct OEM replacements, they carry a lifetime warranty against breakage and suit thousands of applications.
AST 03/2014-07/2021 BMW 4 XDRIVE Lowering Springs - 40mm/35mm
