AST Suspension Lowering Springs (50mm/40mm TUV) - 1998-2005 BMW 3 Series 330D Sedan

The AST Suspension Lowering Springs for the 1998-2005 BMW 3 Series (E46) are high-performance components designed to reduce ride height by 50mm front and 40mm rear, enhancing handling and aesthetics. Crafted from premium high tensile chromium-silicone wire, these springs are meticulously handpicked by AST engineers for their quality and metal consistency. The manufacturing process involves cold winding, heat treatment to increase hardness and minimize internal stresses, followed by shot peening, phosphate treatment, and powder coating to ensure durability and longevity. Featuring progressive rates on most vehicles, these springs deliver improved stability, reduced body roll, and a more aggressive stance without compromising ride comfort.

Designed specifically for the E46 chassis, these springs are compatible with 1998-2005 BMW 3 Series sedans, including the 330D model. They serve as direct replacements for stock springs, providing a performance upgrade suitable for street and spirited driving. Installation is straightforward, with the springs fitting OEM suspension components. The kit includes the set of lowering springs, offering a reliable solution for enthusiasts seeking enhanced handling and a lowered profile. These springs are ideal for daily drivers, track days, or car enthusiasts aiming to improve their vehicle's stance and performance.