The Genuine BMW Exterior Mirror W-O Glass Heated Left (Shadow Line M) is a replacement mirror for BMW vehicles. This mirror does not include the glass and is specifically designed for models with the Shadow Line M package. It is a heated mirror, providing clear visibility even in cold weather conditions. The mirror is made by BMW, ensuring high quality and perfect fit for the vehicle. It is a left side mirror, designed to be installed on the driver's side of the car. This product is made with the same materials and specifications as the original mirror, making it a reliable and durable replacement option.