King Engine Bearings MB798AM Main Bearing Set - Size STD for Select BMW 1982-2000 (M20/M50/M52)

This King Engine Bearings main bearing set (Size STD) fits select 1982-2000 BMW 3-Series, 5-Series, and Z3 models equipped with M20, M50, and M52 inline-six engines.

Designed to restore proper oil clearances and provide stable crankshaft support, these bearings are essential for engine overhauls or refreshing worn high-mileage bottom ends. These are "STD" (Standard) size bearings, intended for use on crankshaft journals that remain within factory dimensions and have not been ground undersize. King Engine Bearings are engineered with tight tolerances to ensure consistent performance across the entire main journal set, helping to maintain oil pressure and extend the service life of your BMW engine.

• Manufacturer Part Number: MB798AM
• Bearing Size: STD (Standard)
• Engine Applications: M20B20, M20B23, M20B25, M20B27, M50B25, M52B20, M52B25, M52B28
• Construction: High-strength materials designed for OE-spec replacement
• Compatibility: Replaces factory main bearings in specific 1982-2000 E30, E36, E46, E28, E34, E39, and Z3 chassis