This ACL High Performance Rod Bearing Set is machined 0.025mm over standard, for an S54B32 crankshaft that has been reground to that oversize spec. It fits the BMW S54B32 engine used in the M3 (2001-2006), Z3 Coupe/M Coupe/M Roadster/Roadster (2001-2002), Z4 M Coupe/M Roadster (2006-2008), and Z4 sDrive35i (2009).
Specifications:
- Type: Rod Bearing Set
- Series: High Performance
- Size: 0.025mm Oversized
- Engine Fitment: BMW S54B32
- Part Number: 6B1569H-.025
FAQ
What does "0.025mm Oversized" mean?
It means the bearings are machined 0.025mm larger than standard to match a crankshaft that has been reground by that amount.
What vehicles use the S54B32 engine?
The BMW M3 (2001-2006), Z3 Coupe/M Coupe/M Roadster/Roadster (2001-2002), Z4 M Coupe/M Roadster (2006-2008), and Z4 sDrive35i (2009).
Is this a main or rod bearing set?
Rod bearing set - it supports the connecting rods, not the crankshaft mains.

