ACL 6B1584H-.025 RACE Series Connecting Rod Bearing Set for BMW N54, N55 and S55B30 3.0L Inline-6 Engines

ACL BMW N54/N55/S55B30 3.0L Inline 6 RACE Series Engine Connecting Rod Bearing Set

The ACL 6B1584H-.025 RACE Series connecting rod bearing set is engineered for BMW N54, N55 and S55B30 3.0L inline-6 engines. Designed for high-performance and demanding street applications, these rod bearings provide dependable support between the connecting rods and crankshaft while helping maintain consistent oil clearance and smooth engine operation.

ACL RACE Series bearings are manufactured with performance-oriented materials and precise dimensions to support increased load capacity and durability. The -.025 specification is intended for applications requiring the corresponding undersize bearing clearance, making accurate crankshaft measurement and professional installation essential. Always verify crankshaft journal condition, bearing clearances and engine specifications before installation.

This ACL 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. Confirm engine code, crankshaft specifications and application details before ordering. The set is supplied for automotive engine rebuilding or performance service and should be installed using the vehicle manufacturer’s recommended procedures, torque specifications and lubrication requirements.

Features:

• High-Load Performance: ACL RACE Series construction is designed to support demanding street, competition and modified-engine applications.
• Application-Specific Design: Engineered for BMW N54, N55 and S55B30 3.0L inline-6 engines.
• Precision Clearance: The -.025 bearing specification supports applications requiring the matching undersize clearance after crankshaft measurement.
• Durable Engine Protection: Helps maintain a stable lubricating oil film between the connecting rod and crankshaft during high-load operation.

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 M3 Base
2015 BMW Z4 sDrive35i
2015 BMW Z4 sDrive35is
2016 BMW M3 Base
2016 BMW Z4 sDrive35i
2016 BMW Z4 sDrive35is
2017 BMW M3 Base
2018 BMW M3 Base

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