AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 30 , Rear 30 MK3(2016+)(S) - 1/2" drive

- 1/2" drive

Meticulously designed and created in house with an all new form factor

5") high-grade exhaust section replaces the factory midpipe with a free-flowing

and 328i models from 01/1996 to 1998

AST Lowering Springs For BMW 4 420i/428i/430i/420D/425D 03/2014-07/2021, Front 30 , Rear 30 MK3(2016+)(S) - 1/2" driveThe AST Lowering Springs are precision engineered to enhance your BMW 4 Series driving experience by lowering the vehicles center of gravity while maintaining a high level of comfort comparable to the original equipment manufacturer (OEM) springs. Manufactured using state of the art Wafios coiling machines, these springs are cold coiled to ensure optimal durability and performance. Their progressive design allows for a balanced reduction in ride