AST Lowering Springs For BMW 4 420i/428i/430i/418D/420D/425D 07/2013-10/2020, Front 30 , Rear 30 F40(P) Unlike conventional oval-shaped "O" tubes

Unlike conventional oval-shaped "O" tubes

these springs deliver a reliable and consistent quality that meets stringent automotive standards

NOT compatible with facelift (LCI 2021+) F90 M5

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AST Lowering Springs For BMW 4 420i/428i/430i/418D/420D/425D 07/2013-10/2020, Front 30 , Rear 30 F40(P) Unlike conventional oval-shaped "O" tubesThe AST Lowering Springs are engineered to provide a precise lowering solution for BMW 4 Series models 420i, 428i, 430i, 418D, 420D, and 425D manufactured between 07 2013 and 10 2020. Designed with meticulous attention to detail, these springs lower the vehicle by 30 mm at both the front and rear, effectively reducing the center of gravity to enhance handling and driving dynamics without compromising ride comfort. Manufactured using advanced cold