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The AST lowering spring set for BMW 4 built from July 2013 through October 2020 lowers ride height and lowers the vehicle’s center of gravity while preserving much of the original ride comfort. These vehicle‑specific springs are cold‑coiled on Wafios coilers and employ a progressive design to balance lowered stance and handling. Sold as direct OEM replacements, they include a lifetime warranty against breakage and suit thousands of applications.
AST 07/2013-10/2020 BMW 4 Lowering Springs - 30mm/30mm
