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The AST lowering spring set for BMW 4 built from July 2013 through October 2020 lowers ride height and drops the center of gravity while retaining much of the original comfort. These vehicle‑specific springs are cold‑coiled on Wafios coilers and wound progressively to balance lowered stance and control. Sold as direct OEM replacements, they carry a lifetime warranty against breakage and are compatible with thousands of applications.
AST 07/2013-10/2020 BMW 4 Lowering Springs - 40mm/40mm
