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The AST lowering spring set for BMW 3 Series (1999–2005) lowers ride height by 50mm front and 40mm rear while preserving much of the OEM ride comfort. Cold‑coiled on Wafios coiling machines and offered as a direct OEM replacement, these progressive springs reduce center of gravity for crisper handling. Vehicle‑specific tuning and quality materials help balance stance and comfort, and a lifetime warranty guards against breakage.
AST 10/1999-05 BMW 3 Lowering Springs - 50mm/40mm
