AST Suspension Lowering Springs (50mm/30mm) - 2004-2010 BMW X3 3.0D (E83) YMM_1998_2003_BMW_M5_III_E39 These side skirts are made

These side skirts are made from high-quality carbon fiber

These are special orders

Matched springs designed for optimal balance between comfort and performance

this front lip features a woven finish that adds a premium aesthetic to your vehicle’s front end

AST Suspension Lowering Springs (50mm/30mm) - 2004-2010 BMW X3 3.0D (E83) YMM_1998_2003_BMW_M5_III_E39 These side skirts are madeAST Lowering Springs for the 2004 2010 BMW X3 (E83) 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