AST Lowering Springs For BMW 6 630i 03/2004-12/2010, Front 40 , Rear 40 XMAS_20 which integrates proprietary technologies and

which integrates proprietary technologies and meticulous manufacturing standards to ensure reliability

27” in Height) Designed Towards the Top of the Cooler from OEM Position

the AST springs feature a progressive spring rate that balances performance improvements with everyday driving comfort

4J71 - Engine no

AST Lowering Springs For BMW 6 630i 03/2004-12/2010, Front 40 , Rear 40 XMAS_20 which integrates proprietary technologies andThe AST Lowering Springs for BMW 6 630i (03 2004 12 2010) are precision engineered components designed to enhance your vehicles handling and aesthetics by lowering its center of gravity. Manufactured with cold coiled technology on advanced Wafios coiling machines, these springs guarantee consistent quality and durability. Their progressive spring rate is specifically tailored to provide a significant lowering effect while maintaining a driving comfort