The Genuine BMW 10-Piece Control Arm Kit (E39) - 459386 is a comprehensive package of essential components for a car's control arm system. It includes 10 different parts that are specifically designed for the E39 model of BMW vehicles.

The kit contains various types of control arms, which are important suspension components that connect the wheels to the chassis of the car. These control arms are responsible for maintaining the stability and smoothness of the ride, as well as allowing for proper steering and handling.

In addition to control arms, the kit also includes other related parts such as ball joints, bushings, and mounting hardware. These components work together to ensure the control arms function properly and provide optimal performance for the car.

Overall, this 10-piece kit is a necessary and high-quality solution for maintaining and repairing the control arm system of a BMW E39 car. It is designed to provide a perfect fit and reliable performance, making it a valuable investment for any BMW owner.