The Bilstein B4 Series 22-158819 is a premium replacement gas-pressure strut assembly designed specifically for the front left position of the BMW Z3. Engineered to restore the vehicle's original handling and stability, this Twintube strut ensures maximum safety and comfort through OE-quality damping. Key features include: constant damping power under any load, high power reserves for maximum safety, and original Bilstein gas-pressure technology. This is a single unit assembly. Components included: 1x Front Left Shock Absorber/Strut (Art. No. 22-158819).