This ACL High Performance Rod Bearing Set is machined to standard size with extra oil clearance, built for the BMW S65 V8 engine used in the 2008-2013 M3, for performance applications needing added oil flow to the rod journals.
Specifications:
- Type: Rod Bearing Set
- Series: High Performance
- Size: Standard, w/ Extra Oil Clearance
- Engine Fitment: BMW S65 V8
- Vehicle Platform: BMW M3 (2008-2013)
- Part Number: 8B1580HX-STD
FAQ
What does the extra oil clearance provide?
It adds internal clearance beyond a standard fit, increasing oil flow to the rod bearings for performance use.
What engine and vehicle is this rod bearing built for?
It's built for the BMW S65 V8, used in the 2008-2013 M3.
Does this fit a stock crankshaft?
Yes, it's sized to standard, for a stock, unmachined S65 connecting rod journal, with added oil clearance.
How does this differ from the standard 8B1580H-STD?
This version (8B1580HX-STD) includes extra oil clearance machined in, while the standard 8B1580H-STD does not.

