This high-quality door lock actuator is designed to specifically fit BMW X3, X5, X6, and Z4 models. It is made of durable plastic and metal materials, ensuring long-lasting use. The installation process is easy and quick, and it is designed for the rear left placement on the vehicle. The lock actuator features central locking system technology and a matte finish in the color black. It comes as a single piece and is not a vintage part. Please note that this product may contain chemicals that are known to cause cancer and reproductive harm, as stated in the California Prop 65 Warning. With its OE/OEM part number of 51227202147, this door lock actuator is an excellent aftermarket replacement for your vehicle.