ACL
ACL BMW N54/N55/S55B30 3.0L Standard Size Main Bearing Set - 7M1397H-STD
- SKU:
- ACL7M1397H-STD
- UPC:
- 9315726463062
- MPN:
- 7M1397H-STD
- Availability:
- Regularly stocked product
Description
What is the main function of main bearings in an engine?
Main bearings form a critical rotating interface, supporting the crankshaft and ensuring precise journal alignment within the engine block for optimal rotational stability.
How do main bearings contribute to engine performance?
Properly functioning main bearings minimize friction and maintain optimal oil clearance, directly translating to increased power output and superior engine longevity.
ACL Race Series Main Bearings engineered for demanding BMW N54/N55/S55B30 3.0L engines deliver peak performance. Featuring standard size for precise crankshaft support, these bearings offer robust protection against extreme engine loads. Trust ACL's specialized design for unmatched durability and enhanced engine longevity.
Key Features
- ACL BMW N54/N55/S55B30 3.0L Standard Size Main Bearing Set
Why Choose the ACL Race Series Main Bearings
Delivers superior crankshaft support for enhanced engine longevity.
Achieves optimal oil clearance for reduced friction and increased power.
Provides robust protection against extreme engine loads and high RPMs.
Transforms your engine's reliability for aggressive driving and track use.
Who Is This For?
Street Performance — 8/10
Engineered for demanding 3.0L engines, peak performance.
Track / Autocross — 8/10
Engineered for demanding 3.0L engines, peak performance.
Drag Racing — 8/10
Engineered for demanding 3.0L engines, peak performance.
Racing Competition — 8/10
Engineered for demanding 3.0L engines, peak performance.
Engine Performance — 9/10
Directly enhances performance of specified 3.0L engines.
Frequently Asked Questions
Which BMW models are compatible with ACL Race Series Main Bearings?
ACL Race Series Main Bearings are engineered for specific BMW 1 Series M/135i/328i and 11 other models from 2007-2016. Confirming your exact vehicle fitment with a qualified technician ensures optimal compatibility and performance for your N54, N55, or S55B30 engine. This precise fitment guarantees reliable operation.
What is the installation process for ACL Race Series Main Bearings?
Professional installation is recommended for ACL Race Series Main Bearings, requiring confirmation with a qualified technician. This advanced maintenance level ensures precise assembly and adherence to critical clearances for optimal engine health. Expert installation maximizes the bearings' performance potential.
How do ACL Race Series Main Bearings enhance engine performance?
Achieving optimal oil clearance, these bearings reduce friction, directly enhancing engine performance with a score of 9 for 'Engine Performance'. This engineered precision ensures peak output and responsiveness for your 3.0L N54, N55, or S55B30 engine. Experience elevated power delivery with these advanced components.
Is upgrading to ACL Race Series Main Bearings beneficial over stock components?
Upgrading to ACL Race Series Main Bearings delivers superior crankshaft support for enhanced engine longevity, a significant technical improvement over stock. This robust protection against extreme loads and high RPMs justifies the upgrade for performance enthusiasts. Invest in superior durability for aggressive driving.
What makes ACL Race Series Main Bearings ideal for track use?
Engineered for demanding 3.0L engines, these bearings provide peak performance and durability, achieving an 8/10 score for 'Track / Autocross' usage. They offer robust protection against extreme engine loads and high RPMs. Trust these bearings to transform your engine's reliability for demanding motorsport applications.
Additional Resources
Browse More: Shop All Bearings — Engine Components
Additional Information
Clearance Item: |
N |
MPN: |
7M1397H-STD |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Bearings |
Product Level: |
Premium Performance |
Street Performance: |
8/10 |
Track / Autocross: |
8/10 |
Drag Racing: |
8/10 |
Racing Competition: |
8/10 |
Engine Performance: |
9/10 |
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