The AST 5300 Series Coilovers for BMW 3 Series - E30 are a high-performance suspension upgrade that provides superior handling and ride quality. These coilovers feature adjustable rebound damping and ride height, allowing you to customize the setup to suit your driving style and preferences. They are constructed from high-quality materials and feature a corrosion-resistant coating for long-lasting durability. These coilovers will improve the overall performance of your vehicle and provide a more comfortable and enjoyable driving experience.