The Genuine BMW Rear Window - 51317318951 is a high-quality, factory-made replacement rear window for BMW vehicles. It is made from durable materials and designed to fit perfectly into the rear window frame of various BMW models. The window is an OEM (Original Equipment Manufacturer) part, ensuring the same level of quality and performance as the original window that came with the vehicle. This product is an essential component for maintaining the structural integrity of the vehicle and ensuring proper visibility while driving. It is a genuine BMW product, ensuring compatibility and reliability.