Feature: 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. This is a non-OEM product, accessory only! Specification: Type: Rear Liftgate Door Lock Actuator Condition: Brand New Pin Number:4 Placement on Vehicle: Rear OE Number:51247233025 Fitment: for BMW X3 xDrive28i, xDrive35i 3.0L L6 - Gas 2011 for BMW X3 xDrive28i, xDrive35i 3.0L L6 - Gas 2012 for BMW X3 xDrive28i, xDrive35i 2.0L L4 - Gas, 3.0L L6 - Gas 2013 for BMW X3 xDrive28i, xDrive35i 2.0L L4 - Gas, 3.0L L6 - Gas 2014 for BMW X3 sDrive28i, xDrive28d, xDrive28i, xDrive35i 2.0L L4 - Diesel, 2.0L L4 - Gas, 3.0L L6 - Gas 2015 for BMW X3 sDrive28i, xDrive28d, xDrive28i, xDrive35i 2.0L L4 - Diesel, 2.0L L4 - Gas, 3.0L L6 - Gas 2016 for BMW X3 sDrive28i, xDrive28d, xDrive28i, xDrive35i 2.0L L4 - Diesel, 2.0L L4 - Gas, 3.0L L6 - Gas 2017 Installation: 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. Note: The product is very difficult to install, professional installation is recommended, it is recommended to find the relevant installation video and then perform the installation operation. We recommend closing the Windows without any door lock problems Package Included:1x Rear Liftgate Door Lock Actuator Note: Please use the make,model ,year drop down bar confirm the compatibility before.