This product is a genuine BMW cover for the upper right side of the B-column, which is the vertical support between the front and rear doors of the vehicle. The cover is grey in color and has a part number of 51437225310. It is made by BMW and is designed specifically for use on their vehicles. This cover is used to protect and cover the upper portion of the B-column, providing a clean and finished look to the interior of the car. It is a high-quality, OEM (original equipment manufacturer) part that is designed to fit and function perfectly on BMW vehicles.