King Engine Bearings MB544AM Main Bearing Set BMW M10B15/M10B18/M10B20 Bimetal STD

The King Engine Bearings MB544AM is a standard-size crankshaft main bearing set designed for BMW M10-series engines, including the M10B15, M10B18, and M10B20 variants. Constructed using a bimetal aluminum-base design equivalent to SAE-783 material standards, this set is engineered for low to medium load engine applications and delivers reliable, OE-quality performance during engine rebuilds.

Key Features:

• Bimetal aluminum-base construction — SAE-783 equivalent material optimized for low and medium load engines
• Bull's Eye Tolerance™ Technology — King's proprietary manufacturing process combining precision machining, overplating, and computerized wall thickness monitoring to achieve best-in-class shell-to-shell thickness consistency
• Standard (STD) size — direct replacement for stock crankshaft journal dimensions with no crank grinding required
• High embedability — aluminum bimetal layer provides superior ability to absorb contaminant particles, protecting crankshaft journals
• Engineered for the aftermarket — King offers a wider range of undersizes and material options compared to OEM suppliers
• Packaged as a complete main bearing set, shrink-wrapped for protection against scratching and contamination

King Engine Bearings has been a specialist manufacturer since 1960, supplying precision engine bearings for automotive, truck, marine, aviation, and motorsport applications worldwide. The MB544AM is the ideal choice for a professional engine rebuild or overhaul on BMW M10-series four-cylinder engines.