This product is a genuine BMW seal for the front left air duct. The part number is 51717147505 and it is designed to fit specific BMW models. It is made of high-quality materials and is an essential component for the proper functioning of the air duct system in your vehicle. This seal helps to prevent air leaks and ensures that the air is properly directed to the intended areas. It is a direct replacement for the original seal and is manufactured to meet BMW's strict standards for quality and durability.