The Genuine BMW Covering Upper Left (Grey) - 51437147731 is a replacement part for BMW vehicles. It is a grey-colored covering that is designed to fit on the upper left side of the vehicle. This covering helps to protect the inner workings of the vehicle and provides a clean and finished look. It is made from high-quality materials and is an authentic BMW product. This covering is easy to install and is a perfect fit for your BMW vehicle. It is a durable and reliable part that will help to maintain the overall appearance and functionality of your vehicle.