Name: ACL BMW M40B16/18 (1.6L / 1.8L / 1.9L) .025 Oversized Main Bearing Set
Brand: ACL
Price: 195.96 USD
Availability: InStock

Question 1

What does '0.025 oversized' mean?

Accepted Answer

When an engine block is machined, the bearing bores can become too large for standard-size bearings. An oversized bearing set like this one compensates for that extra material removal, ensuring the correct bearing clearance.

Question 2

Do I need any special tools to install these bearings?

Accepted Answer

You'll need standard engine-building tools, including a torque wrench to ensure proper bearing cap installation. Refer to the manufacturer's installation instructions for specific torque specs and procedures.

Question 3

What other parts should I replace when replacing the main bearings?

Accepted Answer

It's always a good idea to inspect and/or replace the connecting rod bearings at the same time. Also inspect the crankshaft for wear or damage, and consider having it professionally polished or machined if necessary.

ACL BMW M40B16/18 (1.6L / 1.8L / 1.9L) .025 Oversized Main Bearing Set

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