The Genuine BMW Rear Left Entrance Cover (M) - 51477891987 is a replacement part for a BMW vehicle. It is designed to cover the entrance on the rear left side of the vehicle. This cover is made from high-quality materials and is an authentic BMW product. It is specifically designed for use with M series BMW vehicles. This cover helps to protect the entrance from dirt, debris, and weather elements. It is a durable and reliable product that is easy to install. This cover is an essential component for maintaining the overall appearance and functionality of a BMW vehicle.