ACL 7M1539H-STD Standard Size Main Bearing Set for BMW M20 Engines

ACL BMW M20B20/M20B23/M20B25/M20B27 Standard Size Main Bearing Set

Brief Description: The ACL 7M1539H-STD Standard Size Main Bearing Set is designed for BMW M20B20, M20B23, M20B25, and M20B27 engines. Manufactured for dependable crankshaft support, this automotive replacement bearing set helps maintain proper clearance and smooth engine operation during everyday driving and performance applications.

Key Product Specifications & Technical Data:
Brand: ACL
Part Number: 7M1539H-STD
Product Type: Main Bearing Set
Engine Application: BMW M20B20, M20B23, M20B25, and M20B27
Bearing Size: Standard
Engine Component: Crankshaft main bearings
Quantity: One complete bearing set
Application Type: Automotive replacement component

Fitment: This ACL main bearing set fits select BMW applications, including the 1986, 1987, and 1988 BMW 325; 1998, 1999, and 2000 BMW 323i; 1998 and 1999 BMW 323is; the 2000 BMW 323Ci; and the 2001 BMW 325Ci. Confirm the vehicle year, engine configuration, crankshaft condition, and required bearing clearance before installation. Standard-size bearings are intended for crankshafts that remain within the manufacturer’s standard journal specifications.

What's Included: One ACL 7M1539H-STD standard-size main bearing set for compatible BMW M20 engines. Installation should be completed by a qualified technician using the vehicle manufacturer’s service procedures, torque specifications, and clearance requirements. Proper inspection and measurement of the crankshaft and engine block are recommended before assembly.

Features:

• Standard Size Fitment: Designed for crankshafts that meet standard journal specifications.
• BMW M20 Engine Compatibility: Engineered for select M20B20, M20B23, M20B25, and M20B27 applications.
• Reliable Crankshaft Support: Helps maintain proper main bearing clearance and stable crankshaft operation.
• Professional Replacement Design: Suitable for engine rebuilding, restoration, and dependable automotive service applications.

Fitments:
1982 BMW 528e Base
1983 BMW 528e Base
1984 BMW 325e Base
1984 BMW 528e Base
1985 BMW 325e Base
1985 BMW 524td Base
1985 BMW 528e Base
1986 BMW 325 Base
1986 BMW 325e Base
1986 BMW 325es Base
1986 BMW 524td 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
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 M Roadster
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 M Coupe
1999 BMW Z3 M Roadster
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 M Coupe
2000 BMW Z3 M Roadster
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 M3 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 M3 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 M3 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 M3 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 M3 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 M3 Base
2006 BMW X3 3.0i
2006 BMW X5 3.0i
2006 BMW Z4 M Coupe
2006 BMW Z4 M Roadster
2007 BMW Z4 M Coupe
2007 BMW Z4 M Roadster
2008 BMW Z4 M Coupe
2008 BMW Z4 M Roadster

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