AST Suspension Lowering Springs (40mm/25mm TUV) - 2006-2013 BMW 3 Series 330D/335D Coupe (E90/E92) YMM_1972_1981_Bmw_5_Series_I_E12 and everyday wear

and everyday wear

ensuring a straightforward installation process that requires no cutting

these springs provide a sportier look and improved driving dynamics

Upgrade your BMW 128i with the ACT XACT Streetlite Flywheel for improved response

Robust construction to withstand demanding driving conditions

AST Suspension Lowering Springs (40mm/25mm TUV) - 2006-2013 BMW 3 Series 330D/335D Coupe (E90/E92) YMM_1972_1981_Bmw_5_Series_I_E12 and everyday wearAST Lowering Springs for the 2006 2013 BMW 3 Series (E90 E92) are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.