The Genuine BMW Cover Displ. Engine Oil Cooler Left - 51117247571 is a protective cover for the engine oil cooler on the left side of a BMW vehicle. It is designed to fit securely over the oil cooler to shield it from damage and debris. This cover is made by BMW and is an authentic, high-quality replacement part for your vehicle. It is an essential component for maintaining the proper functioning of your engine's oil cooling system. This cover is compatible with various BMW models and is a necessary part for ensuring the longevity and performance of your vehicle's engine.