AST Suspension Lowering Springs (40mm/30mm) - 2004-2010 BMW X3 2.0/2.5/3.0/1.8D/2.0D (E83) YMM_2007_2011_Porsche_911_997_GT3 Its aerodynamic design complements the

Its aerodynamic design complements the aggressive lines of the M3 style bumper

giving your vehicle a refined

including engine components

race-inspired look with functional benefits

Its robust construction and adjustable features support improved cornering

AST Suspension Lowering Springs (40mm/30mm) - 2004-2010 BMW X3 2.0/2.5/3.0/1.8D/2.0D (E83) YMM_2007_2011_Porsche_911_997_GT3 Its aerodynamic design complements theAST 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