S54 ACL Bearings

Tap right for info.

Standard Size Shells.

This ACL bearings kit clearances that match the original specifications by BMW M.

Lead & Copper Trimetal

The ACL bearings are also made using the original 088/089 tri-metal lead and copper composition known for being softer on your crankshaft.

I recommend Genuine BMW bolts.

Learn more in my build journal entry.
Get your ACL bearings kit
S54 ACL Connecting Rod Bearing Kit
S54 ACL Connecting Rod Bearing Kit

6B1569H-STD-1

S54 ACL Connecting Rod Bearing Kit

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Specifications:

  • Made in Australia
  • Set of 12x rod bearing shells
    • Tri-metal lead/copper race coating
    • Standard clearances
  • Optional Genuine BMW bolts for 2003 and up cars. 

Bolts recommendations

I recommend that you use Genuine BMW bolts.

The updated M10x1.25mm rod bolts (SKU: 11247834310) need to be replaced as they are stretch to yield.

Build Journal: Special Series
Total Recall.

BMW once (or twice) recalled bearings - AH!

First it was the oil pump, then the bearings. Atleast they cared back then!

As part of my Special Series on bulletproofing the S54, this entry touches on the recall's history and bolt nuances.

We button up the S54's bulletproofing by replacing the rod bearings with the ACL bearings.

Enjoy,
- Matt / @m3_epoustouflant

Need help?
Been there, done that.
ACL RAcing series
Australian made.

ACL is recognized as a premier brand throughout the motorsports world and engine builders.

Their coated bearings combine ACL’s tough RACE Series lining and overlay metallurgy with Calico’s CT-1 coating.

CT-1 is a Dry Film Lubricant coating that helps reduce friction and abrasive wear. It provides intermittent dry lubrication and is not affected by dust or dirt.

It's what I run in my M engines.

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