AST Lowering Springs For BMW 4 435i/440i/430D 03/2014-07/2021, Front 40 , Rear 40 r56 trimming unsprung mass to improve

trimming unsprung mass to improve steering feel

tailgate spoiler extension

this performance-focused spring and damper package delivers crisp turn-in

Why choose this BMW outlet trim

pre-formed silicone hoses with the correct lengths and bends for a no-trim fit

AST Lowering Springs For BMW 4 435i/440i/430D 03/2014-07/2021, Front 40 , Rear 40 r56 trimming unsprung mass to improveThe AST Lowering Springs for BMW 4 Series models 435i, 440i, and 430D (manufactured between 03 2014 and 07 2021) represent a meticulously engineered solution designed to enhance your vehicles driving dynamics by lowering its center of gravity. Manufactured with precision on advanced Wafios coiling machines, these springs are cold coiled to ensure optimal strength and durability. The set includes front and rear springs, each providing a 40 mm lowering