King Engine Bearings Main Bearings for BMW B58B30A Coated Performance Set STD

King Engine Bearings Main Bearings for BMW B58B30A — Coated Performance Set (STD) Fitment: BMW B58B30A engines. Set: Main bearing set, Standard (STD) size. Upgrade your engine's durability and performance with King Engine Bearings' precision-coated main bearings. Designed specifically for the BMW B58B30A, this performance set delivers superior wear resistance, reliable oil film retention, and consistent clearances for long-lasting protection under demanding conditions. Coated surface: Advanced coating for improved break-in, reduced friction, and enhanced fatigue life. Precision ground: Accurate tolerances ensure optimal crankshaft support and smooth operation. STD size: Factory-standard dimensions for direct replacement without machining. Performance focus: Ideal for street, high-mileage, and moderate performance builds. Manufactured to OEM-spec quality with King Engine Bearings' proven metallurgy and coating technology, this main bearing set helps maintain oil pressure, minimize frictional losses, and protect your engine during both daily driving and spirited use. Choose King Engine Bearings for precision, durability, and peace of mind when rebuilding or servicing BMW B58 engines.