The Genuine BMW Sealing Window Guide Web Left - 51357258303 is a high-quality replacement part for BMW vehicles. It is designed to seal and guide the window on the left side of the vehicle. This product is made from durable materials and is an exact fit for your BMW, ensuring proper function and longevity. It is an authentic BMW product, ensuring the highest level of quality and performance. This sealing window guide web is an essential component for maintaining the integrity of your vehicle's windows, providing a secure and smooth operation. It is a reliable and cost-effective solution for any BMW owner in need of a replacement window guide web for the left side of their vehicle.