The Genuine BMW Ventilation Grille Rear Window Shelf (Black) is a high-quality replacement part for BMW vehicles. It is designed to fit onto the rear window shelf and provides ventilation for the interior of the car. The grille is made of durable black plastic and features a sleek design that seamlessly blends in with the rest of the car's interior. It is an official BMW product and is specifically designed to fit and function perfectly on BMW vehicles. This grille is a great option for those looking to replace a damaged or worn out rear window shelf ventilation grille on their BMW.