AST Lowering Springs For BMW 3 4CYL. 1998-07/2006, Front 40 , Rear 30 F30 | F31 | F34 (2011+)(S) Significantly Lower Pressure Drop Across

Significantly Lower Pressure Drop Across the Core Compared to OEM

these rotors deliver superior braking performance

is fully reversible

and overall chassis feel

AST Lowering Springs For BMW 3 4CYL. 1998-07/2006, Front 40 , Rear 30 F30 | F31 | F34 (2011+)(S) Significantly Lower Pressure Drop AcrossThe AST Lowering Springs for BMW 3 4CYL (1998 07 2006) provide a precise solution for enthusiasts seeking to enhance their vehicle's handling and aesthetics without compromising comfort. Designed and manufactured with meticulous attention to quality, these springs are cold coiled using the advanced Wafios coiling machines, ensuring consistent performance and durability. Engineered as a direct replacement for the OEM springs, they effectively lower the