ACL 6B1490HX-STD Conrod Bearing Set for BMW M20, M50, M52 and M54 Engines

ACL BMW M20/M50/M52/M54-1919CC 80.0mm Bore 66.0mm Stroke STD + .001in Clearance Conrod Bearing Set

The ACL 6B1490HX-STD conrod bearing set is engineered for BMW M20, M50, M52, and M54 engine applications using an 80.0 mm bore and 66.0 mm stroke configuration. Designed for performance and dependable service, this connecting rod bearing set features standard sizing with an additional 0.001-inch clearance specification to support precise crankshaft and bearing assembly.

ACL manufactures these bearings with attention to load capacity, oil control, and dimensional consistency. The 6B1490HX-STD set is suitable for engine rebuilding, maintenance, and performance-oriented applications where reliable connecting rod bearing operation is essential. Always verify crankshaft journal measurements, bearing clearances, and engine specifications before installation to ensure proper fit and performance.

Listed fitment includes select BMW 323Ci, 323i, 323is, and 325 models from the 1986 through 2001 model years, including the 2000 BMW 323Ci, 1998-2000 BMW 323i, 1998-1999 BMW 323is, and select 1986-2001 BMW 325 applications. Vehicle compatibility may vary by engine configuration, production date, and internal engine specifications. Confirm the application against the vehicle identification number and engine code before ordering.

Product Specifications & Technical Data

• Brand: ACL
• Part Number: 6B1490HX-STD
• Product Type: Connecting rod bearing set
• Engine Families: BMW M20, M50, M52, and M54
• Bore Application: 80.0 mm
• Stroke Application: 66.0 mm
• Bearing Size: Standard
• Clearance Specification: Plus 0.001 inch

What's Included

One ACL 6B1490HX-STD connecting rod bearing set for the specified BMW engine applications. Professional installation and clearance verification are recommended.

Features:

• Application-Specific Design: Engineered for select BMW M20, M50, M52, and M54 engine configurations.
• Standard Bearing Size: Intended for crankshafts and connecting rods requiring standard-size bearings.
• Plus 0.001-Inch Clearance: Provides the specified additional clearance for applications requiring this bearing configuration.
• Reliable Engine Rebuild Performance: Manufactured by ACL to support consistent fit, oil control, and connecting rod bearing durability.

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