AST Suspension Lowering Springs (30mm/15mm TUV) - 2006-2013 BMW 3 Series 318i Cabrio (E93)

The AST Suspension Lowering Springs for the 2006-2013 BMW 3 Series E93 Cabrio 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, followed by shot peening, phosphate treatment, and powder coating to ensure durability and corrosion resistance. The progressive rate design on most vehicles provides a balanced ride quality, reducing body roll and improving stability during cornering. These springs are engineered to deliver a lowered stance while maintaining ride comfort and handling precision, making them suitable for enthusiasts seeking both performance and style.

Designed for the 2006-2013 BMW 3 Series E93 Cabrio models, these springs are a direct replacement for the factory components, offering an upgrade in suspension performance. They are compatible with vehicles equipped with Electronic Damping Control (EDC), providing a tailored lowering experience. The kit includes front and rear springs, ensuring a comprehensive suspension upgrade. Installation is straightforward for those familiar with suspension work, and these springs are ideal for street driving, spirited driving, or track use where improved handling and lowered aesthetics are desired. Their robust construction and precise fitment make them a reliable choice for enhancing the vehicle’s stance and performance.