This product is a genuine BMW running board with the part number 51777163556. It is a durable and high-quality accessory designed specifically for BMW vehicles. The running board provides a convenient step for entering and exiting the vehicle, as well as added protection for the lower body of the vehicle. It is made from sturdy materials and features a sleek design that complements the overall look of the car. This running board is an official BMW product and is compatible with various BMW models.