The Genuine BMW Sunroof Wind Deflector - 54108737864 is a high-quality accessory designed specifically for BMW vehicles with a sunroof. It is made from durable materials and is designed to reduce wind noise and turbulence when the sunroof is open. The deflector also helps to keep debris and insects from entering the vehicle through the sunroof. It is easy to install and provides a sleek and stylish look to the vehicle. This product is an official BMW accessory and is compatible with various BMW models.