AST Suspension Lowering Springs (40mm/30mm TUV) - 1998-2005 BMW 3 Series 330D Sedan (E46)

The AST Suspension Lowering Springs for the 1998-2005 BMW 3 Series E46 330D Sedan are high-performance suspension components designed to improve handling and aesthetics. Crafted from premium high tensile chromium-silicone wire, these springs are selected for their strength and consistency. Each spring undergoes a meticulous manufacturing process, including cold winding, heat treatment to enhance hardness and reduce internal stresses, and individual shot peening. The springs are phosphate treated and powder coated to ensure durability and longevity, even beyond the vehicle's lifespan. Featuring progressive rates on most applications, these springs provide a balanced ride quality with improved cornering stability and a lowered stance of approximately 40mm front and 30mm rear.

Designed specifically for the E46 chassis from 1998 to 2005, these springs are compatible with BMW 3 Series models equipped with the appropriate suspension setup. They serve as direct replacement components, offering a performance upgrade for street and spirited driving. Installation is straightforward as bolt-on replacements, and the kit includes the necessary springs for both front and rear. Ideal for enthusiasts seeking improved handling, a lowered profile, and enhanced visual appeal, these springs are engineered to withstand rigorous driving conditions while maintaining ride comfort and durability over time.