The Genuine BMW Left Rear Door Brake Grommet - 51227198267 is a small rubber piece that is designed to fit into the door frame of a BMW vehicle. It is specifically made for the left rear door and serves as a brake grommet, helping to secure the door in place when closed. This grommet is an authentic BMW product and is made from high-quality materials to ensure durability and a perfect fit. It is an essential component for proper functioning of the left rear door and is designed to meet the exact specifications of BMW vehicles.