What does the +0.25mm size mean for these bearings?

The +0.25mm designation indicates that these bearings are slightly larger than standard size. This is typically used when the crankshaft journals have been machined down (ground) by 0.010 inches (0.25mm) to clean up wear or damage.

What is Silvercore technology?

Silvercore is King Engine Bearings' proprietary technology that uses a tri-metal copper-based material. It's engineered to handle extreme loads, making it suitable for high-performance or heavily used engines.

Are these bearings environmentally friendly?

Yes, these bearings are made with a lead-free composite, which is considered environmentally safe according to manufacturer specifications.

King Engine Bearings BMW N55B30A Rod Bearing Set - Size +0.25mm

Specifications

Brand: King Engine Bearings
Part #: CR222SV0.25
UPC: 611500591822

King Engine Bearings BMW N55B30A Rod Bearing Set - Size +0.25mm

Name: King Engine Bearings BMW N55B30A Rod Bearing Set - Size +0.25mm
Brand: King Engine Bearings
Price: 37.50 USD
Availability: InStock

$37.50

In Stock

King Engine Bearings rod bearing set for BMW N55B30A engines. Size +0.25mm. Features Silvercore for extreme load capacity.

Key Features

Fits 44+ vehicle make/model combinations including BMW 135i, 335i, and X5.
This is a +0.25mm undersize rod bearing set for BMW N55B30A engines.
Features King's Silvercore technology for extreme load capacity.
Constructed with a tri-metal copper-based material.
Uses a lead-free, environmentally safe composite.

⚠️ 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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Product Details

King Engine Bearings has been specializing in engine bearings since 1960, aiming to provide the highest quality available. This connecting rod bearing set is designed as a direct replacement for BMW N55B30A engines, specifically sized at +0.25mm for applications that require it. It's a well-built option for those rebuilding or refreshing the engine in a range of BMW models, including the 135i, 335i, and X5.

This set utilizes King's Silvercore technology, a tri-metal copper-based material engineered for extreme load capacity. This construction helps ensure durability and reliable performance under demanding conditions. The lead-free composite is also environmentally safe, aligning with modern manufacturing standards.