This Genuine BMW Air Duct Displ. Engine Oil Cooler Left (Race) - 51748056495 is a high-quality replacement part for BMW vehicles. It is designed to fit the left side of the engine and is specifically made for racing purposes. The air duct helps to direct cool air to the engine oil cooler, ensuring that the oil stays at a safe operating temperature. This product is made from durable materials and is an authentic BMW part, ensuring a perfect fit and reliable performance. It is a crucial component for maintaining the performance and longevity of your BMW's engine.