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The AST lowering spring set for BMW 4 built between March 2014 and July 2021 lowers ride height and reduces the center of gravity while retaining much of OEM comfort. Cold‑coiled on high‑quality Wafios coilers and wound progressively, these vehicle‑specific springs balance lowered stance and handling. Offered as direct OEM replacements, they carry a lifetime warranty against breakage and cover thousands of compatible applications.
AST 03/2014-07/2021 BMW 4 Lowering Springs - 30mm/30mm
