The AST 14-15 BMW M3 F80 Non-LCI 3 Bolt Adjustable Lowering Springs are designed to provide a significant drop in ride height for improved handling and a more aggressive look. These springs are constructed from high-quality, cold-wound steel that is corrosion-resistant and designed to last. They feature 3-bolt adjustable spring perches that allow for precise ride height adjustment. These springs are designed to provide improved handling and a lower center of gravity for better cornering. They are the perfect upgrade for those looking to get the most out of their BMW M3 F80.