ACL 6B1490H-STD Standard Size Connecting Rod Bearing Set for BMW M20, M50, M52 and M54 Engines

ACL BMW M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm Stroke Standard Size Conrod Bearing Set

The ACL 6B1490H-STD standard size connecting rod bearing set is designed for BMW M20, M50, M52 and M54 engine applications using a 1919 cc configuration with an 80.0 mm bore and 66.0 mm stroke. Manufactured for dependable engine rebuilding and performance applications, these conrod bearings provide a precise fit for standard-size crankshaft journals when properly matched to the engine’s measured specifications.

ACL connecting rod bearings are engineered with performance-oriented materials and careful manufacturing processes to support reliable oil control, load distribution and resistance to fatigue under demanding operating conditions. The 6B1490H-STD set is suitable for replacing worn or damaged original bearings during an engine overhaul, helping restore proper clearance and support consistent connecting rod operation. Always inspect and measure the crankshaft journals and connecting rods before installation to confirm that standard-size bearings are appropriate.

Brief Description: Standard-size ACL connecting rod bearing set for select BMW engines with M20, M50, M52 and M54 engine families. The set is identified by part number 6B1490H-STD and is intended for automotive engine rebuilding and service applications.

Key Product Specifications & Technical Data:

• Brand: ACL
• Part Number: 6B1490H-STD
• Bearing Type: Connecting rod bearing set
• Engine Families: BMW M20, M50, M52 and M54
• Engine Displacement: 1919 cc
• Bore: 80.0 mm
• Stroke: 66.0 mm
• Bearing Size: Standard

What's Included: One ACL 6B1490H-STD standard-size connecting rod bearing set. Installation hardware, gaskets and additional engine components are not included unless specifically stated.

Fitment: Listed applications include 1986–1988 BMW 325 models, 1998–2000 BMW 323i models, 1998–1999 BMW 323is models, the 2000 BMW 323Ci and the 2001 BMW 325Ci. Verify the exact vehicle, engine code, crankshaft journal condition and required bearing clearance before ordering or installation.

Features:

• Standard Size: Designed for crankshafts and connecting rods that meet original standard-size specifications.
• Engine Compatibility: Application coverage includes BMW M20, M50, M52 and M54 engine families.
• Performance Construction: Engineered to support dependable load distribution, oil control and fatigue resistance.
• Engine Rebuild Application: Suitable for replacing worn connecting rod bearings during qualified automotive engine service or rebuilding.

Fitments:
1982 BMW 528e Base
1983 BMW 528e Base
1984 BMW 325e Base
1984 BMW 528e Base
1985 BMW 325e Base
1985 BMW 528e Base
1986 BMW 325 Base
1986 BMW 325e Base
1986 BMW 325es Base
1986 BMW 528e Base
1987 BMW 325 Base
1987 BMW 325e Base
1987 BMW 325es Base
1987 BMW 325i Base
1987 BMW 325is Base
1987 BMW 528e Base
1988 BMW 325 Base
1988 BMW 325i Base
1988 BMW 325is Base
1988 BMW 325iX Base
1988 BMW 528e Base
1989 BMW 325i Base
1989 BMW 325is Base
1989 BMW 325iX Base
1989 BMW 525i Base
1990 BMW 325i Base
1990 BMW 325is Base
1990 BMW 325iX Base
1990 BMW 525i Base
1991 BMW 325i Base
1991 BMW 325is Base
1991 BMW 325iX Base
1991 BMW 525i Base
1992 BMW 325i Base
1992 BMW 325is Base
1992 BMW 525i Base
1993 BMW 325i Base
1993 BMW 325is Base
1993 BMW 525i Base
1993 BMW 525iT Base
1994 BMW 325i Base
1994 BMW 325is Base
1994 BMW 525i Base
1995 BMW 325i Base
1995 BMW 325is Base
1995 BMW 525i Base
1995 BMW M3 Base
1995 BMW M3 Lightweight
1996 BMW 328i Base
1996 BMW 328is Base
1996 BMW M3 Base
1997 BMW 328i Base
1997 BMW 328is Base
1997 BMW 528i Base
1997 BMW M3 Base
1997 BMW Z3 Roadster
1998 BMW 323i Base
1998 BMW 323is Base
1998 BMW 328i Base
1998 BMW 328is Base
1998 BMW 528i Base
1998 BMW M3 Base
1998 BMW Z3 Roadster
1999 BMW 323i Base
1999 BMW 323is Base
1999 BMW 328i Base
1999 BMW 328is Base
1999 BMW 528i Base
1999 BMW M3 Base
1999 BMW Z3 Coupe
1999 BMW Z3 Roadster
2000 BMW 323Ci Base
2000 BMW 323i Base
2000 BMW 328Ci Base
2000 BMW 328i Base
2000 BMW 528i Base
2000 BMW Z3 Coupe
2000 BMW Z3 Roadster
2001 BMW 325Ci Base
2001 BMW 325i Base
2001 BMW 325xi Base
2001 BMW 330Ci Base
2001 BMW 330i Base
2001 BMW 330xi Base
2001 BMW 525i Base
2001 BMW 530i Base
2001 BMW X5 3.0i
2001 BMW Z3 Coupe
2001 BMW Z3 M Coupe
2001 BMW Z3 M Roadster
2001 BMW Z3 Roadster
2002 BMW 325Ci Base
2002 BMW 325i Base
2002 BMW 325xi Base
2002 BMW 330Ci Base
2002 BMW 330i Base
2002 BMW 330xi Base
2002 BMW 525i Base
2002 BMW 530i Base
2002 BMW X5 3.0i
2002 BMW Z3 Coupe
2002 BMW Z3 M Coupe
2002 BMW Z3 M Roadster
2002 BMW Z3 Roadster
2003 BMW 325Ci Base
2003 BMW 325i Base
2003 BMW 325xi Base
2003 BMW 330Ci Base
2003 BMW 330i Base
2003 BMW 330xi Base
2003 BMW 525i Base
2003 BMW 530i Base
2003 BMW X5 3.0i
2003 BMW Z4 2.5i
2003 BMW Z4 3.0i
2004 BMW 325Ci Base
2004 BMW 325i Base
2004 BMW 325xi Base
2004 BMW 330Ci Base
2004 BMW 330i Base
2004 BMW 330xi Base
2004 BMW 525i Base
2004 BMW 530i Base
2004 BMW X3 2.5i
2004 BMW X3 3.0i
2004 BMW X5 3.0i
2004 BMW Z4 2.5i
2004 BMW Z4 3.0i
2005 BMW 325Ci Base
2005 BMW 325i Base
2005 BMW 325xi Base
2005 BMW 330Ci Base
2005 BMW 330i Base
2005 BMW 330xi Base
2005 BMW 525i Base
2005 BMW 530i Base
2005 BMW X3 2.5i
2005 BMW X3 3.0i
2005 BMW X5 3.0i
2005 BMW Z4 2.5i
2005 BMW Z4 3.0i
2006 BMW 325Ci Base
2006 BMW 330Ci Base
2006 BMW X3 3.0i
2006 BMW X5 3.0i
2006 BMW Z4 M Coupe
2006 BMW Z4 M Roadster

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1