Compatibility: for BMW 328i 2011 for BMW 328i xDrive 2011 Functionality: Type: Rear Liftgate Door Lock Actuator Condition: Brand New Color: Black Material: Plastic, Metal Placement on Vehicle: Rear Advantage:If the door can't lock or unlock or only can lock or unlock sporadically or have noise or Car alarm goes off randomly. We can replace the old to solve out the problem. Pressing the lock or unlock button, the door lock actuator is activated and moves the door lock mechanism.Material Specification:Rear Tailgate Door Lock Actuator Motor is constructed with plastic, and metal, sturdy and durable.Installation Steps:1. Align the lock actuator with the door lock mechanism. Securely attach the lock actuator to the door using screws or bolts, ensuring a tight connection to the vehicle's structure. 2. Test the operation of the lock actuator to ensure it can properly lock and unlock the door. 3. Make any necessary adjustments according to the manufacturer's instructions for optimal operation. 4. Test the lock actuator to ensure it functions correctly, allowing the door to lock and unlock safely.Package Content:1pcs Liftgate Door Lock Actuator