The Genuine BMW Window Guide Web Cover Left - 51348160973 is a replacement part for the window guide web cover on the left side of a BMW vehicle. It is designed to protect the window guide and ensure smooth operation of the window. This product is made by BMW and is an authentic, high-quality replacement for the original part. It is compatible with various BMW models and is made from durable materials to ensure long-lasting performance. This window guide web cover is a crucial component for the proper functioning of the window and is essential for maintaining the overall appearance of the vehicle.