The Genuine BMW Rear Window Shelf (Oyster) - 51477220465 is a replacement part for BMW vehicles. It is designed to fit the rear window of the car and provide a shelf for storing small items. The shelf is made of high-quality materials and has a sleek oyster color that matches the interior of the car. It is a genuine BMW product, ensuring a perfect fit and high quality. This rear window shelf is easy to install and adds both functionality and style to your BMW vehicle.