1. For BMW Z4/E85/E86 2. OE: 51247016186 3. Direct replacement of products for seamless installation to ensure reliability and quality 4. Use the compressed gas in the cylinder, compressed by the piston, to apply force when the door is opened to support the weight of the door without excessive force 5. Anti-oxidation, reasonable design, designed according to the original car hole, no additional drilling required 6. Directly cooperate with the replacement of the lifting bracket to make opening and closing easy, comfortable, convenient and safe
