This King BMW M20B20-23-25-27 / M50B25 / M52B20-25-28 (Size 0.75) Main Bearing Set is a high-quality set of main bearings specifically designed for BMW engines. This set includes four bearings for the M20B20, M20B23, M20B25, and M20B27 engines, one bearing for the M50B25 engine, and three bearings for the M52B20, M52B25, and M52B28 engines. The bearings are constructed from a high-grade alloy material for superior strength and durability. The 0.75 size ensures a precise fit and optimal performance. This set is perfect for replacing worn out or damaged bearings in your BMW engine.