What is the PMaxBlack overlay, and why is it important?

PMaxBlack is a specialized overlay developed by King Engine Bearings. It's designed to provide increased load-carrying capacity, which is important for high-performance engines like the BMW S65B40A to prevent premature wear.

What does 'optimal crush height' mean for bearings?

Crush height refers to how much the bearing deforms when installed in the engine block or connecting rod. King's Radialock feature helps ensure the bearing achieves the correct crush height, which is vital for proper seating and oil clearance.

Are these bearings a direct replacement for the factory BMW M3 bearings?

Yes, these King Engine Bearings MB5803XP are designed as a direct replacement for the crankshaft main bearings in the 2008-2013 BMW M3, specifically for the S65B40A engine.

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Specifications

Brand: King Engine Bearings
Part #: MB5803XP
UPC: 611500605529

King Engine Bearings BMW S65B40A Crankshaft Main Bearings Set of 5

Name: King Engine Bearings BMW S65B40A Crankshaft Main Bearings Set of 5
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-bmw-s65b40a-crankshaft-main-bearings-s-t14-311932
Price: 453.34 USD
Availability: BackOrder

$453.34

On Backorder — Expected to ship by May 10, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2008-2013 BMW M3. King Engine Bearings crankshaft main bearings with PMaxBlack for superior load capacity.

Key Features

Fits 2008-2013 BMW M3.
Features PMaxBlack overlay for superior load capacity.
Includes Radialock technology for optimal crush height.
Constructed with a tri-metal copper-based material.

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About this part

Product Details

If you're rebuilding the engine in your 2008-2013 BMW M3, getting the crankshaft main bearings right is crucial for long-term reliability. These bearings from King Engine Bearings are specifically made for the S65B40A engine, ensuring they fit correctly and handle the demands of this high-performance V8.

King specializes in bearings, and these are built with a tri-metal copper-based material that offers a solid foundation for durability. They also feature King's PMaxBlack overlay, which is designed to handle higher loads without failing, and Radialock technology to help achieve the optimal crush height during installation. This combination helps ensure consistent oil film control and reduces the risk of bearing damage.

Getting the right bearings is a key step in any engine rebuild. These are a well-built option for your M3's crankshaft, designed to keep things running smoothly.