AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 20 , Rear 20 ENGPERF Ideal for engine bay detailing

Ideal for engine bay detailing and custom builds

Trust in BMW's commitment to quality and safety with this essential emergency tool

Durable Design: Weather-resistant and built for long-term reliability

Custom Fitment: Available in a wide range of diameters

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

AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 20 , Rear 20 ENGPERF Ideal for engine bay detailingThe 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