AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 20 , Rear 20 Product Type_Exhaust performance rear discs for BMW

performance rear discs for BMW 1 Series

it delivers that OEM plus look with a subtle motorsport edge

or simply want a reliable solution on a standard car

It is a straightforward like-for-like swap that elevates service quality and peace of mind at every oil change

We have used this CT Carbon upgrade on customer cars and feedback has been consistently positive

AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 20 , Rear 20 Product Type_Exhaust performance rear discs for BMWThe AST Lowering Springs are precision engineered components designed to enhance the driving dynamics of your BMW 4 Series (models 420i, 428i, 430i, 420D, 425D) produced between 03 2014 and 07 2021. Manufactured using cold coiling technology on state of the art Wafios machines, these springs ensure consistent quality and durability. By lowering the vehicles center of gravity, they contribute to improved handling and stability without significantly