King Bearings AM Main Bearings STD BMW M20 M50 M52 M54 S50 S52B32 M3 E36

King Bearings AM Series main bearings (STD size) for BMW M20, M50, M52, M54, S50 and S52B32 (M3 E36) — premium aluminium-tin alloy with embedded surface technology for high-load tolerance.

Direct OE fit and the right upgrade for any built BMW straight-six running upgraded rods or higher RPM ceiling.

Stock & dispatch: check the live stock status shown above. UK in-stock items dispatch next working day on orders placed before 2pm. Drop-ship, special-order and made-to-order items have variable lead times — please contact our team on 01621 473023 or [email protected] for accurate timing before ordering.