Name: ACL BMW M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm Stroke .025 Oversized Main Bearing Set
Brand: ACL
Price: 259.03 USD
Availability: InStock

Question 1

What does '0.025 oversized' mean?

Accepted Answer

This bearing set is 0.025 inches larger than the standard bearing size. It's designed for engine blocks that have been machined during a rebuild. If your block has not been align-bored or align-honed, you'll want the standard size.

Question 2

Are these bearings compatible with all BMW M20, M50, M52, and M54 engines?

Accepted Answer

This bearing set is designed to fit the main bearing journals of BMW M20, M50, M52, and M54 engines. However, it's crucial to verify the exact fitment details for your specific engine variant and year. Always consult the manufacturer's application guide to ensure compatibility.

Question 3

What other parts should I replace when installing new main bearings?

Accepted Answer

When replacing main bearings, it's best practice to also inspect and/or replace the connecting rod bearings at the same time. You should also use new main bearing bolts, and apply assembly lube to the bearing surfaces during installation. Refer to the manufacturer's installation instructions for details.

ACL BMW M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm Stroke .025 Oversized Main Bearing Set

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