AST Suspension Lowering Springs (40mm/30mm 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 with improved stability during cornering and reduced body roll, making them suitable for enthusiasts seeking both performance and style.

Designed to fit 1999-2005 BMW 3 Series models with the E46 chassis, these lowering springs are a direct upgrade for the factory suspension. They lower the ride height by approximately 40mm at the front and 30mm at the rear, enhancing the vehicle’s stance and handling characteristics. The springs are compatible with models equipped with Electronic Damping Control (EDC), offering a tailored ride experience. Installation is straightforward as a bolt-on replacement for the stock springs, making them ideal for street and spirited driving. The kit includes the set of springs, providing a comprehensive upgrade for drivers looking to improve their BMW’s performance and appearance without compromising ride quality.