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The AST lowering spring set for BMW 4 built from July 2013 through October 2020 reduces ride height and lowers the car’s center of gravity while keeping much of the OEM ride quality. Cold‑coiled on Wafios machines with a progressive winding, these vehicle‑specific springs balance a lowered stance and handling. Offered as direct OEM replacements, they include a lifetime warranty against breakage and cover thousands of compatible applications.
AST 07/2013-10/2020 BMW 4 Lowering Springs - 40mm/40mm
