Genuine OEM BMW Crankshaft Bearing Shell, part number 11241438927. This bearing shell is a critical component that supports the rotating crankshaft within the engine block. It is designed to provide a low-friction surface, reducing wear and heat generation. Proper functioning of these shells is essential for engine longevity and smooth operation. The precise tolerances and material composition of genuine OEM shells ensure optimal performance and durability. Genuine OEM bearings are manufactured to exact specifications for vibration-free service life.