Upgrade your vehicle's handling and comfort with the Bilstein B4 Series Gas Pressure Strut. Specifically engineered for the BMW Z4 (E85/E86), this twin-tube strut assembly restores the original driving characteristics and safety of your car. Using Bilstein's gas pressure technology, it provides constant damping power under any load, ensuring superior traction and precise handling. Characteristics: Position: Front Right; Design: MacPherson Strut; System: Twin-Tube. Please note: This is a single strut assembly (Article: 22-164575). For optimal performance and safety, it is recommended to replace shock absorbers in pairs.