AST Suspension Lowering Springs (30mm/25mm TUV) - 2004-2011 BMW 6 Series 630i Cabrio/Coupe (E63/E64)

The AST Suspension Lowering Springs for the 2004-2011 BMW 6 Series (E63/E64) are high-performance suspension components designed to improve handling and aesthetics. Crafted from premium high tensile chromium-silicone wire, these springs are handpicked by AST engineers for their consistent quality and durability. 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 long-lasting corrosion resistance and a refined finish. Featuring progressive rates on most vehicles, these springs deliver a balanced combination of ride comfort and improved cornering performance, making them an ideal upgrade for enthusiasts seeking a lowered stance with enhanced driving dynamics.

Designed specifically for the 2004-2011 BMW 6 Series models, including Cabrio and Coupe variants, these springs are a direct replacement for the factory components. They lower the vehicle by approximately 30mm at the front and 25mm at the rear, providing a more aggressive stance and improved handling characteristics. The installation is a bolt-on process, suitable for those looking to enhance their vehicle’s performance and appearance without extensive modifications. These springs are compatible with stock suspension setups and are suitable for street use, offering a durable solution for daily driving or spirited driving on the track. The kit includes the set of lowering springs, ensuring a straightforward upgrade for BMW enthusiasts.