The Genuine BMW Rocker Arm, part number 11331271429, is a high-quality component designed for use in BMW vehicles. This rocker arm is responsible for transferring the motion of the camshaft to the valves, allowing them to open and close at the appropriate times. It is made from durable materials and is designed to fit perfectly in your BMW engine for optimal performance. This Genuine BMW Rocker Arm is an essential part for ensuring the smooth and efficient operation of your vehicle's engine.