What is the size of these main bearings?

These main bearings are sized at .026 inches. This specific sizing is crucial for proper engine assembly and performance.

What is the PMaxBlack overlay used for?

The PMaxBlack overlay is a feature developed by King Engine Bearings to provide superior load capacity. This helps the bearings withstand higher stresses in performance applications.

Are these bearings suitable for a stock M5 engine?

While these are performance bearings, they can be used in a stock engine rebuild. Their advanced materials and design offer improved durability and load handling compared to standard bearings.

King Engine Bearings BMW S85B50A Crankshaft Performance Main Bearings (Size .026)

Specifications

Brand: King Engine Bearings
Part #: MB637XP.026
UPC: 611500607226

King Engine Bearings BMW S85B50A Crankshaft Performance Main Bearings (Size .026)

Name: King Engine Bearings BMW S85B50A Crankshaft Performance Main Bearings (Size .026)
Brand: King Engine Bearings
Price: 418.04 USD
Availability: InStock

$418.04

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Fits 2006-2010 BMW M5. King Engine Bearings performance main bearings, size .026, for the S85B50A engine.

Key Features

Fits 2006-2010 BMW M5 and 2006-2010 BMW M6.
Features PMaxBlack overlay for superior load capacity.
Incorporates Radialock technology for optimal crush height.
Constructed with a tri-metal copper-based material.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits these vehicles

BMW M5 2006-2010
BMW M6 2006-2010

Product Details

If you're rebuilding the engine in your 2006-2010 BMW M5, these performance main bearings from King Engine Bearings are a solid choice for the S85B50A powerplant. King has been specializing in bearings since 1960, focusing on supplying well-built components for a wide range of applications.

These main bearings feature King's PMaxBlack overlay, which is designed to handle superior load capacity, making them a good option for performance builds. They also incorporate Radialock technology, which helps maintain optimal crush height for a secure fit. The tri-metal copper-based material offers a strong foundation for reliable engine operation under demanding conditions.

This set is specifically sized at .026 inches, which is important to note for proper engine assembly. Always refer to your vehicle's service manual for precise installation procedures and torque specifications when working on your engine.