The Bilstein B6 Performance strut is the ideal choice for improving the handling and stability of your BMW X3 or X4. Designed for use with original factory springs, these gas-pressure shock absorbers offer increased damping power even under heavy loads, providing better traction and precise handling without lowering the vehicle. This part is a single front left suspension strut. Included in the package: 1x Front Left Strut (Part Number: 22-305169). Key features include Bilstein mono-tube/Upside-Down technology and constant damping power under any load.