The AST 5300 Series Coilovers for the BMW 1 M Coupe (E82) are an adjustable suspension system designed to provide improved handling and performance. The kit includes adjustable dampers and springs, as well as a range of ride height and corner balancing options. The AST 5300 Series Coilovers are designed to provide the driver with improved handling, increased grip, and improved ride quality. The kit is also compatible with a range of aftermarket components, allowing for further customization.