The ST XA-Height/Rebound Adjustable Coilovers for BMW F22/F32 Coupe/F30 Sedan w/ EDC are a high-performance suspension system designed to provide superior handling and control. The adjustable height and rebound settings provide the ability to fine-tune the ride and handling characteristics of the vehicle. The coilovers feature a monotube design for improved performance and durability, and are constructed from high-grade materials for maximum strength and reliability. The kit also includes all necessary hardware and components for easy installation.