ACL 7M1397H-STD Standard Size Main Bearing Set for BMW N54, N55 and S55B30 3.0L Engines

ACL BMW N54/N55/S55B30 3.0L Standard Size Main Bearing Set

The ACL 7M1397H-STD Standard Size Main Bearing Set is designed for BMW N54, N55, and S55B30 3.0L engines. Manufactured for performance-oriented engine rebuilds and replacement applications, this main bearing set supports reliable crankshaft operation and consistent bearing performance when used with properly prepared engine components.

ACL uses precision manufacturing processes and carefully selected bearing materials to help provide dependable load support, wear resistance, and oil control. The standard-size configuration is intended for crankshafts that remain within original standard journal specifications. Always verify crankshaft measurements, housing bore condition, bearing clearances, and manufacturer recommendations before installation.

This ACL main bearing set is suitable for select BMW applications, including the 2008-2010 BMW 535i, 2011-2013 BMW 335is, and 2011-2012 BMW 740i and 740Li models equipped with compatible N54 or N55 engines. Fitment may vary by engine code, production date, and vehicle configuration, so confirm application details before ordering. Professional installation with accurate torque procedures and clearance checks is recommended for best results.

Designed as a direct engine rebuild component, the ACL 7M1397H-STD helps restore proper main bearing support in compatible BMW 3.0L engines. It is intended for automotive use and is supplied as a complete main bearing set for the specified application.

Features:

• Brand: ACL
• Part Number: 7M1397H-STD
• Application: Main bearing set for compatible BMW N54, N55 and S55B30 3.0L engines
• Bearing Size: Standard size for crankshafts and engine blocks within original specifications
• Performance Benefit: Supports consistent crankshaft rotation and dependable engine operation
• Material Design: Precision-manufactured bearing construction for wear resistance and load support
• Fitment Coverage: Select BMW 335is, 535i, 740i and 740Li applications from 2008 through 2013
• Installation Note: Verify engine code, crankshaft condition and bearing clearances before installation

Fitments:
2007 BMW 328i Base
2007 BMW 335i Base
2007 BMW 335xi Base
2008 BMW 135i Base
2008 BMW 328i Base
2008 BMW 335i Base
2008 BMW 335xi Base
2008 BMW 535i Base
2008 BMW 535xi Base
2008 BMW X6 xDrive35i
2009 BMW 135i Base
2009 BMW 328i Base
2009 BMW 335i Base
2009 BMW 335i xDrive Base
2009 BMW 535i Base
2009 BMW 535i xDrive Base
2009 BMW X6 xDrive35i
2009 BMW Z4 sDrive35i
2010 BMW 135i Base
2010 BMW 328i Base
2010 BMW 335i Base
2010 BMW 335i xDrive Base
2010 BMW 535i Base
2010 BMW 535i xDrive Base
2010 BMW X6 xDrive35i
2010 BMW Z4 sDrive35i
2011 BMW 1 Series M Base
2011 BMW 328i Base
2011 BMW 335i Base
2011 BMW 335is Base
2011 BMW 740i Base
2011 BMW 740Li Base
2011 BMW Z4 sDrive35i
2011 BMW Z4 sDrive35is
2012 BMW 328i Base
2012 BMW 335i Base
2012 BMW 335is Base
2012 BMW 740i Base
2012 BMW 740Li Base
2012 BMW Z4 sDrive35i
2012 BMW Z4 sDrive35is
2013 BMW 328i Base
2013 BMW 335i Base
2013 BMW 335is Base
2013 BMW Z4 sDrive35i
2013 BMW Z4 sDrive35is
2014 BMW 335i Base
2014 BMW Z4 sDrive35i
2014 BMW Z4 sDrive35is
2015 BMW 335i Base
2015 BMW Z4 sDrive35i
2015 BMW Z4 sDrive35is
2016 BMW Z4 sDrive35i
2016 BMW Z4 sDrive35is

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