AST Suspension Lowering Springs (30mm/30mm) - 2003-2010 BMW 5 Series 540i/550i Sedan (E60) kw-suspension-variant-3-coilover-kit Premium Chassis Code GP Grade

Premium Chassis Code GP Grade Type Performance Installation Difficulty Easy Installation Time (hrs) 1 Kit Contents 2 Braces

1inch) Spring Rate - Front 18

Whiteline Adjustable Sway Bar Links to your 2015 Jeep Compass Altitude

The ideal spring rate for every car

AST Suspension Lowering Springs (30mm/30mm) - 2003-2010 BMW 5 Series 540i/550i Sedan (E60) kw-suspension-variant-3-coilover-kit Premium Chassis Code GP GradeAST Lowering Springs for the 2003 2010 BMW 5 Series (E60) 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.