The Genuine BMW Air Duct Displ.Engine Oil Cooler Right - 51747320266 is a replacement part for BMW vehicles. It is designed to direct air flow to the engine oil cooler, which helps to regulate the temperature of the engine oil and prevent it from overheating. This product is specifically designed for the right side of the engine and is made from high-quality materials to ensure durability and proper functioning. It is an essential component for maintaining the performance and longevity of the engine in BMW vehicles.