AST Suspension Lowering Springs (30mm/30mm TUV) - 1995-2003 BMW Z3 Roadster 4CYL (R/C) BMW 2003 Kia Optima LX (MG)

2003 Kia Optima LX (MG)

2015 BMW 4 Series 435i/440i Convertible AWD (w/o EDC)

2015 BMW X5 (w/ EDC Incl EDC Delete Module)

2CDTi (CN1)

AST Suspension Lowering Springs (30mm/30mm TUV) - 1995-2003 BMW Z3 Roadster 4CYL (R/C) BMW 2003 Kia Optima LX (MG)AST Lowering Springs for the 1995 2003 BMW Z3 (R C) 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. Features