The Genuine BMW Mini Engine Rocker Arm, part number 11379884076, is a crucial component of the engine's valve train system. It is responsible for transferring the motion of the camshaft to the valves, allowing them to open and close at the correct timing. This ensures efficient combustion and proper functioning of the engine. Made with high-quality materials and designed specifically for BMW Mini vehicles, this rocker arm is a reliable and durable choice for engine maintenance and repairs.