The Genuine BMW Rear Right Window Guide (part number 51357178022) is a high-quality replacement part for the rear right window of BMW vehicles. It is designed to guide the window smoothly and securely along the track, ensuring proper operation and preventing any damage or malfunctions. This window guide is an authentic BMW product, made with durable materials and precision engineering for a perfect fit and long-lasting performance. It is an essential component for maintaining the functionality and appearance of your vehicle's window system.