The AST 2021+ BMW M3 G80 / M4 G82 5200 Series Coilovers are a high-performance suspension system designed to provide superior handling and control. The 5200 Series Coilovers feature adjustable damping settings, allowing you to customize your ride to your specific driving needs. The monotube design and large diameter pistons provide quick and precise damping response, while the progressive rate springs offer a smooth ride and improved cornering ability. The coilovers also come with adjustable upper mounts, allowing you to fine-tune the camber and caster angles of your vehicle. The kit is easy to install and features a corrosion-resistant finish for long-lasting performance.