AST Suspension Lowering Springs (40mm/40mm TUV) - 2003-2006 Smart Roadster (452) under-braces Quick release clamps on your

Quick release clamps on your 2001-2006 BMW 325Ci 3 Series (E46) allow for quick and easy removal of strut tower braces

Premium (GP/GJ) are principally designed to reduce body roll or sway

2016 BMW 428i/430i Coupe RWD (w/o EDC)

2 gallon tank

AST Suspension Lowering Springs (40mm/40mm TUV) - 2003-2006 Smart Roadster (452) under-braces Quick release clamps on yourAST Lowering Springs for the 2003 2006 Smart Roadster (452) 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.