The Genuine BMW Window Guide Left Rear Door is a high-quality component designed for use in BMW vehicles. It is specifically designed for the left rear door and is part of the window mechanism, helping to guide the window up and down smoothly. This product is manufactured by BMW and meets all of their strict quality standards. It is made from durable materials to ensure long-lasting performance and is an exact fit for the specified vehicle model. This window guide is an essential component for proper window function and is a genuine OEM part.