The Eibach Pro-Kit Lowering Spring Kit enhances BMW M3 Competition handling with a lowered stance. Crafted from high-tensile steel, this set of four springs lowers the sedan by ~1.0 inch, improving cornering and aesthetics. Designed for M3 Competition models, it offers progressive rates for a sporty ride. Installation requires compatible shocks and alignment. Powder-coated for durability, it includes a limited lifetime manufacturer warranty.