The Genuine BMW Window Guide Web Cover Left (Gloss Black) is a high-quality replacement part for BMW vehicles. This cover is designed to fit on the left side of the window guide and is made from durable materials to ensure long-lasting performance. It has a sleek gloss black finish that adds a touch of style to your BMW's interior. This cover helps to protect the window guide from dirt, debris, and other elements, keeping it in good condition. It is an authentic BMW product and is compatible with various BMW models.