AST Suspension Lowering Springs (35mm/35mm) - 1997-2004 BMW 5 Series 525D/530D Touring (E39)

The AST Suspension Lowering Springs for the 1997-2004 BMW 5 Series E39 are high-performance suspension components designed to reduce ride height by 35mm. Crafted from premium high tensile chromium-silicone wire, these springs are engineered for durability and consistent performance. Each spring undergoes a meticulous manufacturing process, including cold winding, heat treatment to enhance hardness, and shot peening to improve fatigue life. The springs are phosphate treated and powder coated, ensuring long-lasting corrosion resistance and aesthetic appeal. Featuring progressive rates on most vehicles, these springs provide a balanced combination of improved handling, reduced body roll, and a lowered stance for enhanced sporty appearance and driving dynamics.

Designed specifically for the BMW E39 5 Series models from 1997 to 2004, these springs are compatible with 525D and 530D Touring variants. They serve as direct replacements for factory springs, offering a performance upgrade suitable for street and spirited driving. Installation is straightforward, fitting seamlessly into the existing suspension setup without modifications. The kit includes the set of lowering springs, ensuring a complete upgrade. Ideal for enthusiasts seeking improved handling, a lowered profile, and enhanced vehicle aesthetics, these springs deliver reliable performance and durability for daily driving or weekend spirited runs.