AST Suspension Lowering Springs (50mm/30mm) - 2004-2010 BMW X3 3.0D (E83) YMM_1998_2003_BMW_M5_III_E39 Helps improve handling

Helps improve handling

and longevity under various driving conditions

Disc Material: Organic

known for its excellent strength-to-weight ratio and premium visual appeal

This front lip features a precision-molded carbon fiber construction that offers both aesthetic appeal and structural integrity

AST Suspension Lowering Springs (50mm/30mm) - 2004-2010 BMW X3 3.0D (E83) YMM_1998_2003_BMW_M5_III_E39 Helps improve handlingAST 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