The AST 5100 Series 1-Way Coilovers for BMW 1-Series E81/E82/E87 w/ Divorced Rear & Front Top Mounts are designed to provide superior performance and handling for your vehicle. These coilovers feature a monotube design with a high-pressure nitrogen gas-filled shock body and adjustable rebound damping. The rebound damping can be adjusted to suit your driving style and preferences, while the front top mounts are adjustable for camber and caster. The rear top mounts are also adjustable for camber and caster, and feature a divorced design for improved handling. These coilovers are designed to provide improved cornering grip, reduce body roll, and improve brake performance.