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The AST lowering spring set for BMW 4 built between March 2014 and July 2021 lowers ride height and reduces center of gravity while preserving much of OEM comfort. These vehicle‑specific springs are cold‑coiled on Wafios machines and use a progressive design to balance lowered stance and handling. Supplied as direct OEM replacements, they include a lifetime warranty against breakage and suit thousands of compatible applications.
AST 03/2014-07/2021 BMW 4 Lowering Springs - 30mm/30mm
