ACL Main Bearings Turbo Std+HX Extra Clearance for 2007-13 BMW N54 N55 S55 3.0L
Part # 7M1397HX-STD SKU 481515
Highlights
- Bearing material
- ACL H-Series
- Engine application
- BMW N54 / N55 / S55B30 – 2979cc Inline-6 DOHC Twin Turbo
- Grade type
- Performance
- Material
- Tri-Metal / Performance Alloy (ACL H-Series)
- Max wall
- 0.0982 in
- Outside diameter
- 2.7559 in
- Shaft diameter
- 2.5575 in
- Size
- Standard with Extra Clearance (HX)
- Type
- Crankshaft Main Bearing Set
- Width
- 0.781 in
Description
ACL Main Bearings Turbo Std+HX Extra Clearance for 2007-13 BMW N54 N55 S55 3.0L
ACL Main Bearings are engineered specifically for high-performance engines, providing superior reliability and durability. Designed for the BMW N54, N55, and S55 3.0L engines, these bearings are crafted to meet the demands of turbocharged applications. The Standard Plus HX Extra Clearance design allows for enhanced oil flow and reduced friction, which can lead to improved engine performance and longevity. When tuned for higher power outputs, adequate bearing clearance is crucial to maintaining optimal function under stress.
The precision manufacturing of ACL bearings ensures an excellent fit within the engine block, maintaining a stable oil film to protect critical engine components. Utilizing advanced materials and production techniques, ACL has developed a product that not only meets OEM specifications but exceeds them in performance scenarios, making them ideal for enthusiasts and racers alike. The extra clearance feature helps to manage thermal expansion and tolerances that can be critical in sustaining high RPM and power outputs.
FITMENT: The ACL Main Bearings Turbo Std+HX are compatible with 2007-2013 BMW models equipped with N54, N55, and S55 3.0L engines, ensuring precision fitment for these specific platforms. Always verify specific engine applications prior to installation for optimal compatibility.
Key Features & Benefits
- Engineered for high-performance applications with turbocharged engines.
- Extra clearance design for enhanced oil flow and reduced friction.
- Precision manufacturing for a perfect fit within the engine block.
- Durable materials that withstand high stress and extreme conditions.
- Improves engine longevity by maintaining optimal oil film protection.
- Ideal for both street applications and racing environments.
Vehicle fitment
| Make | Model | Submodel | Years |
|---|
No vehicle matches that filter.
Fitment data from the manufacturer catalogue. Check your engine before ordering, or call us.
Specifications
| Identification | |
|---|---|
| Brand | ACL |
| Part number | 7M1397HX-STD |
| SKU | 481515 |
| Dimensions and weight | |
| Outside diameter | 2.7559 in |
| Size | Standard with Extra Clearance (HX) |
| Width | 0.781 in |
| Dimensions (W × H × D) | 4.00 × 5.00 × 2.00 in |
| Material and finish | |
| Finish | Semi-Finished / Coated Bearing Surface |
| Material | Tri-Metal / Performance Alloy (ACL H-Series) |
| Series and warranty | |
| Details | |
| Bearing material | ACL H-Series |
| Engine application | BMW N54 / N55 / S55B30 – 2979cc Inline-6 DOHC Twin Turbo |
| Grade type | Performance |
| Includes | Main Bearings |
| Max wall | 0.0982 in |
| Shaft diameter | 2.5575 in |
| Type | Crankshaft Main Bearing Set |
Shipping and returns
Shipping. Free on every order, US only. Orders arrive in 2–4 days.
Returns. 30-day returns, except in extreme cases.
Support. Our team is available 24/7 for fitment mismatches or any other reason.
Warranty. Full manufacturer guarantee.
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