This ACL connecting rod bearing set is standard size for the BMW S14B20/S14B23/S14B25 inline-4, the engine used in the E30 M3. Standard size fits a stock, unmachined crankshaft journal. Fits the 1988-1991 E30 M3.
Specifications:
- Type: Connecting Rod Bearing Set
- Size: Standard
- Engine Fitment: BMW S14B20 / S14B23 / S14B25 Inline-4
- Vehicle Platform: BMW E30 M3 (1988-1991)
- Part Number: 4B1568H-STD
FAQ
Is this the correct size for a stock engine?
Yes, Standard size is for a stock, unmachined crankshaft journal.
What engine does this rod bearing set fit?
It's designed for the BMW S14B20, S14B23, and S14B25 inline-4 engines used in the E30 M3.
Which years of E30 M3 does this fit?
It fits the 1988-1991 E30 M3.
What's included in the set?
A full set of connecting rod bearings sized for the S14 inline-4.

