What material is this main bearing set made from?

This main bearing set is constructed with a bi-metal aluminum material. It also features a lead-free, environmentally safe composite surface.

Is this bearing set suitable for high-performance or racing engines?

This particular bearing set is ideal for low to medium-load engines. For high-performance or racing applications, you may need to consult King Engine Bearings' specialized product lines.

Does this set include all the main bearings needed for an engine rebuild?

This is a main bearing set, meaning it contains the bearings that support the crankshaft within the engine block. It is designed as a direct replacement for the original main bearings.

Specifications

Brand: King Engine Bearings
Part #: MB7039AM
UPC: 611500355301

King Engine Bearings BMW M51/M57 Main Bearing Set - Size STD

Name: King Engine Bearings BMW M51/M57 Main Bearing Set - Size STD
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-bmw-m51-m57-main-bearing-set-size-std-t14-25099
Price: 124.24 USD
Availability: InStock

$124.24

In Stock

King Engine Bearings main bearing set MB7039AM STD. Bi-metal aluminum material, lead-free composite for low to medium-load engines.

Key Features

Fits a wide range of BMW vehicles including 325i, 528i, and Z3 models.
Features a bi-metal aluminum material construction.
Includes a lead-free, environmentally safe composite.
Ideal for low to medium-load engines.
Standard (STD) size for direct replacement.

⚠️ 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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About this part

Product Details

King Engine Bearings has been specializing in engine bearings since 1960, aiming to supply the highest quality available. This main bearing set, part number MB7039AM, is built with a bi-metal aluminum material and features a lead-free, environmentally safe composite. It's ideal for low to medium-load engines and fits a wide range of BMW vehicles, including models like the 325i, 528i, and Z3.

This standard size (STD) set is designed to meet the needs of engine rebuilds where reliable bearing performance is crucial. The lead-free composite construction makes it a more environmentally conscious choice without sacrificing performance for the intended applications. When you're rebuilding the bottom end of your engine, using well-built bearings like these from a specialist like King can make a notable difference in the longevity and smooth operation of your motor.