The Genuine BMW Radiator Support Air Deflector - 17118655766 is a part designed specifically for BMW vehicles to help improve air flow and cooling efficiency. It is made from high-quality materials and is an exact fit for the radiator support. This air deflector helps to direct air towards the radiator, ensuring that the engine stays at the optimal temperature for performance and longevity. It is a genuine BMW product, meaning it meets the brand's strict quality standards and is built to last. This air deflector is an essential component for maintaining the proper functioning of the cooling system in BMW vehicles.