AST Lowering Springs For BMW 3 330D 1998-04/2005, Front 40 , Rear 30 S3 - 8V (2013+)(S) they offer a progressive spring

they offer a progressive spring rate that balances improved road grip with the comfort expected from the original equipment

The method of height adjustment is just the same as on a coilover suspension setup

Vehicle Fitment:

aggressive look from front to rear

AST Lowering Springs For BMW 3 330D 1998-04/2005, Front 40 , Rear 30 S3 - 8V (2013+)(S) they offer a progressive springThe AST Lowering Springs are engineered to enhance the driving dynamics of your BMW 3 330D (1998 04 2005) by effectively lowering the vehicles center of gravity. Designed for both front and rear suspension, these springs provide a reduction of 40 mm at the front and 30 mm at the rear, improving handling stability and cornering precision without compromising ride comfort. Manufactured using advanced cold coiling technology on state of the art Wafios