AST Lowering Springs For BMW 5 520i/523i/525i/528i/530i/520D 07/2003-03/2010, Front 50 , Rear 50 E66 730i serviceable induction filter X6 F16

serviceable induction filter X6 F16

bolt-on chassis upgrade that refines the M6 Convertible’s dynamics without the harshness associated with overly stiff setups

BMW 2 Series 2012 onwards tuning

part number 22-139948

AST Lowering Springs For BMW 5 520i/523i/525i/528i/530i/520D 07/2003-03/2010, Front 50 , Rear 50 E66 730i serviceable induction filter X6 F16The AST Lowering Springs are engineered to provide a refined balance between enhanced vehicle dynamics and maintained ride comfort. Manufactured using advanced cold coiling technology on state of the art Wafios machines, these springs ensure consistent quality and durability. Designed specifically for BMW 5 Series models 520i, 523i, 525i, 528i, 530i, and 520D produced between 07 2003 and 03 2010, they offer a precise fit and optimal performance. By