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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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ACL
ACL Race Series High Performance Rod Bearing Set for BMW 2011-2018 (4.4L) - .25mm Undersize 8B1578H-.25
$448.17
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 2011-2018 BMW 550i, 550i GT, 650i, 750Li, M6, X5, and X6 models with the 4.4L N63 or S63 V8 engine.
Engineered for high-performance and racing applications, this ACL Race Series rod bearing set provides the durability required for high-RPM and high-load environments. These bearings feature a tri-metal construction designed to withstand the increased cylinder pressures common in tuned N63 and S63 engines. The .25mm (0.010") undersize is specifically intended for crankshafts that have been ground to a first-stage undersize diameter to restore proper oil clearances.
- Manufacturer Part Number: 8B1578H-.25
- Bearing Size: .25mm (0.010") Undersize
- Engine Compatibility: BMW 4.4L V8 (N63B44 / S63B44)
- Material: Tri-metal hardened lead/tin/copper bonding
- Designed for high-performance oiling and heat dissipation
Vehicle Fitment:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2016 | BMW | 550i | Base |
| 2013-2015 | BMW | 550i GT | Base |
| 2013-2018 | BMW | 650i | Base |
| 2013-2015 | BMW | 750Li | Base |
| 2012-2018 | BMW | M6 | Base |
| 2013-2018 | BMW | X5 | xDrive50i |
| 2011-2014 | BMW | X6 | xDrive50i |
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2016 | BMW | 550i | Base |
| 2013-2015 | BMW | 550i GT | Base |
| 2013-2018 | BMW | 650i | Base |
| 2013-2015 | BMW | 750Li | Base |
| 2012-2018 | BMW | M6 | Base |
| 2013-2018 | BMW | X5 | xDrive50i |
| 2011-2014 | BMW | X6 | xDrive50i |
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
ACL Race Series High Performance Rod Bearing Set for BMW 2011-2018 (4.4L) - .25mm Undersize 8B1578H-.25
$448.17
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
Price Match
If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
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Share:
$448.17
$448.17
$448.17
Fits select 2011-2018 BMW 550i, 550i GT, 650i, 750Li, M6, X5, and X6 models with the 4.4L N63 or S63 V8 engine.
Engineered for high-performance and racing applications, this ACL Race Series rod bearing set provides the durability required for high-RPM and high-load environments. These bearings feature a tri-metal construction designed to withstand the increased cylinder pressures common in tuned N63 and S63 engines. The .25mm (0.010") undersize is specifically intended for crankshafts that have been ground to a first-stage undersize diameter to restore proper oil clearances.
- Manufacturer Part Number: 8B1578H-.25
- Bearing Size: .25mm (0.010") Undersize
- Engine Compatibility: BMW 4.4L V8 (N63B44 / S63B44)
- Material: Tri-metal hardened lead/tin/copper bonding
- Designed for high-performance oiling and heat dissipation
Vehicle Fitment:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2016 | BMW | 550i | Base |
| 2013-2015 | BMW | 550i GT | Base |
| 2013-2018 | BMW | 650i | Base |
| 2013-2015 | BMW | 750Li | Base |
| 2012-2018 | BMW | M6 | Base |
| 2013-2018 | BMW | X5 | xDrive50i |
| 2011-2014 | BMW | X6 | xDrive50i |
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2016 | BMW | 550i | Base |
| 2013-2015 | BMW | 550i GT | Base |
| 2013-2018 | BMW | 650i | Base |
| 2013-2015 | BMW | 750Li | Base |
| 2012-2018 | BMW | M6 | Base |
| 2013-2018 | BMW | X5 | xDrive50i |
| 2011-2014 | BMW | X6 | xDrive50i |
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