The Genuine BMW Mini Engine Crankshaft Pulley (part number 11238669098) is a vital component of the engine's rotating assembly. It is responsible for transferring power from the engine's crankshaft to the accessory drive system, which includes the alternator, power steering pump, and air conditioning compressor. This pulley is specifically designed for use in BMW Mini vehicles and is made from high-quality materials to ensure durability and performance. It is a genuine OEM part, meaning it is made by the original manufacturer and meets all factory specifications. This crankshaft pulley is an essential part of the engine's functionality and should be replaced if it becomes worn or damaged.