Genuine OEM BMW crankshaft bearing shell, part number 11247576714. This precision component supports the crankshaft within the engine block, providing a low-friction surface for rotation. It is manufactured to exact factory tolerances to ensure proper oil clearance and vibration-free operation. Genuine OEM bearing shells are critical for engine longevity, as they are produced with specific metallurgical properties and surface finishes required to handle high-load internal combustion environments.