King Engine Bearings MB637CA Main Bearing Set for BMW S85B50A V10

The King Engine Bearings MB637CA is a precision-engineered main bearing set designed specifically for the BMW S85B50A V10 engine found in the E60 M5 and E63/E64 M6 models. This complete set provides OEM-level quality with enhanced durability for street and performance applications.

Key Features:

• Tri-metal construction combining steel backing, copper-lead alloy intermediate layer, and polymer overlay for superior strength and wear resistance
• Precision-manufactured to exacting tolerances for proper oil clearance and crankshaft support
• Advanced overlay material reduces friction and provides excellent embeddability for contaminant particles
• Complete main bearing set for all crankshaft journals
• Direct replacement for BMW OE bearings with improved durability characteristics
• Suitable for stock rebuilds, performance builds, and racing applications

King Engine Bearings are engineered using the latest bearing technology and materials to deliver maximum reliability and longevity. The tri-metal design provides an optimal balance of load capacity, conformability, and resistance to fatigue, making this bearing set ideal for the high-revving S85 V10 engine.