The Genuine BMW 4-Piece Control Arm Kit (E63 E64) - 464343 is a comprehensive set of products designed specifically for a BMW E63 or E64 model car. This kit includes four essential control arm components, each made with high-quality materials to ensure optimal performance and durability. The contents of the kit include a control arm, a ball joint, a bushing, and a mounting bracket. These components work together to support and control the movement of the car's suspension and steering system. By replacing all four components at once, this kit helps to maintain the overall integrity and stability of the car's handling. It is an essential kit for any BMW owner looking to maintain the performance and safety of their vehicle.