AST Suspension Lowering Springs (50mm/40mm TUV) - 1999-2005 BMW 3 Series 330D Touring (E46)

The AST Suspension Lowering Springs for the 1999-2005 BMW 3 Series E46 330D Touring 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 resistance to corrosion, providing long-lasting performance. Featuring progressive rates on most vehicles, these springs offer a balanced ride quality while lowering the vehicle's stance by 50mm front and 40mm rear, enhancing both appearance and handling characteristics.

Designed specifically for the E46 chassis BMW 3 Series from 1999 to 2005, these lowering springs are a direct replacement upgrade for the factory suspension. They are intended for street use, offering improved cornering and reduced body roll without sacrificing ride comfort. Installation is straightforward as they are bolt-on components compatible with the original suspension setup. The kit includes the springs necessary for the front and rear suspension, providing a comprehensive upgrade. Suitable for enthusiasts seeking a lowered stance and enhanced driving dynamics, these springs are ideal for daily driving, spirited street driving, and track days, ensuring reliable performance and longevity.