AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 20 , Rear 20 Product Type_Exhaust Bosch is a leading OE

Bosch is a leading OE supplier trusted by manufacturers worldwide

EDC and VDC type systems to retain factory driving modes

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

OE-style dimensions for a straightforward

AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 20 , Rear 20 Product Type_Exhaust Bosch is a leading OEThe 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