AST BMW F82 M4 Coupe Lowering Springs S3 (8V) INTERIOR STYLING Valve Type: Helical gear-driven SBS

Valve Type: Helical gear-driven SBS (Smooth Bore System)

this system provides power gains of 7

2016+ F32/F33/F36 BMW 440i & 440i xDrive

useable and great-value stance for a G80 M3 daily driver

AST BMW F82 M4 Coupe Lowering Springs S3 (8V) INTERIOR STYLING Valve Type: Helical gear-driven SBSGive your BMW F82 M4 Coupe the extra stance it needs with AST lowering springs. AST Lowering Springs 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