AST Suspension Lowering Springs (25mm/15mm TUV) - 2007-2013 BMW M3 Coupe (E90/E92) Jetta 2014 BMW 3 Series RWD

2014 BMW 3 Series RWD (w/ EDC)

2008 Subaru Legacy GT

2003 Audi A4 Cabrio 2

H6 VDC (BP)

2012 Nissan 370Z (Z34) Base

AST Suspension Lowering Springs (25mm/15mm TUV) - 2007-2013 BMW M3 Coupe (E90/E92) Jetta 2014 BMW 3 Series RWDAST Lowering Springs for the 2007 2013 BMW M3 (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.