Genuine OEM BMW crankshaft guide bearing shell, part number 11218595893. This component is part of the crankshaft assembly, providing essential support and lubrication. It is located within the engine block, surrounding the crankshaft journals. This specific shell is identified by its green color coding. Genuine OEM parts are critical for crankshaft bearings as they are manufactured to exact tolerances, ensuring proper oil clearance, reduced friction, and vibration-free operation for optimal engine performance and lifespan.