AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 20 , Rear 20 ENGPERF multi-spoke design inspired by Vossen’s

multi-spoke design inspired by Vossen’s forged LC3-01

These springs represent a professional-grade upgrade that meets high business standards and rigorous quality criteria

resulting in springs that offer a progressive spring rate

Custom Fitment: Available in a wide range of diameters

Pipe Diameter: 70mm / 2

AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 20 , Rear 20 ENGPERF multi-spoke design inspired by Vossen’sThe 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