This product is a Genuine BMW Air Duct Radiator with part number 51747290605. It is designed to direct air flow to the radiator in order to cool the engine. This air duct is an essential component for proper engine cooling and is made specifically for BMW vehicles. It is a high-quality, OEM (Original Equipment Manufacturer) part that meets all of the manufacturer's specifications. This air duct is compatible with various BMW models and is an important part of the vehicle's cooling system.