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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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King Engine Bearings
King Engine Bearings Crankshaft Main Bearings for Select 2012-2018 BMW (N20/B20) 0.25mm - MB5784SI0.25
$259.45
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 2012-2018 BMW 228i, 320i, 328i, 428i, 528i, X1, X3, X4, and Z4 (N20 / B20 engines).
Ensure reliable bottom-end support for your BMW N20 or B20 engine with King Engine Bearings MB5784SI0.25 crankshaft main bearings. These precision-engineered bearings are designed for engine rebuilds where the crankshaft journals have been ground 0.25mm undersize. They provide the critical oil clearances and load-bearing capacity required to maintain engine longevity and smooth operation under load.
- Manufacturer Part Number: MB5784SI0.25
- Undersize Specification: 0.25mm
- Engine Compatibility: BMW N20, B20
- High-load capacity for turbocharged applications
- Maintains consistent oil film for reduced friction
| Year | Make | Model | Notes |
|---|---|---|---|
| 2014-2016 | BMW | 228i | Base / xDrive |
| 2013-2018 | BMW | 320i | Base / xDrive |
| 2012-2016 | BMW | 328i | Base / GT xDrive / xDrive |
| 2014-2016 | BMW | 428i | Base / Gran Coupe / xDrive |
| 2012-2016 | BMW | 528i | Base / xDrive |
| 2012-2015 | BMW | X1 | sDrive28i / xDrive28i |
| 2013-2017 | BMW | X3 | sDrive28i / xDrive28i |
| 2015-2018 | BMW | X4 | xDrive28i |
| 2012-2016 | BMW | Z4 | sDrive28i |
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2016 | BMW | 228i | Base |
| 2015-2016 | BMW | 228i xDrive | Base |
| 2013-2018 | BMW | 320i | Base |
| 2013-2018 | BMW | 320i xDrive | Base |
| 2012-2016 | BMW | 328i | Base |
| 2014-2016 | BMW | 328i GT xDrive | Base |
| 2013-2016 | BMW | 328i xDrive | Base |
| 2014-2016 | BMW | 428i | Base |
| 2015-2016 | BMW | 428i Gran Coupe | Base |
| 2014-2016 | BMW | 428i xDrive | Base |
| 2015-2016 | BMW | 428i xDrive Gran Coupe | Base |
| 2012-2016 | BMW | 528i | Base |
| 2012-2016 | BMW | 528i xDrive | Base |
| 2013-2015 | BMW | X1 | sDrive28i |
| 2012-2015 | BMW | X1 | xDrive28i |
| 2015-2017 | BMW | X3 | sDrive28i |
| 2013-2017 | BMW | X3 | xDrive28i |
| 2015-2018 | BMW | X4 | xDrive28i |
| 2012-2016 | BMW | Z4 | sDrive28i |
Choose your Location
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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.
King Engine Bearings Crankshaft Main Bearings for Select 2012-2018 BMW (N20/B20) 0.25mm - MB5784SI0.25
$259.45
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
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Share:
$259.45
$259.45
$259.45
Fits select 2012-2018 BMW 228i, 320i, 328i, 428i, 528i, X1, X3, X4, and Z4 (N20 / B20 engines).
Ensure reliable bottom-end support for your BMW N20 or B20 engine with King Engine Bearings MB5784SI0.25 crankshaft main bearings. These precision-engineered bearings are designed for engine rebuilds where the crankshaft journals have been ground 0.25mm undersize. They provide the critical oil clearances and load-bearing capacity required to maintain engine longevity and smooth operation under load.
- Manufacturer Part Number: MB5784SI0.25
- Undersize Specification: 0.25mm
- Engine Compatibility: BMW N20, B20
- High-load capacity for turbocharged applications
- Maintains consistent oil film for reduced friction
| Year | Make | Model | Notes |
|---|---|---|---|
| 2014-2016 | BMW | 228i | Base / xDrive |
| 2013-2018 | BMW | 320i | Base / xDrive |
| 2012-2016 | BMW | 328i | Base / GT xDrive / xDrive |
| 2014-2016 | BMW | 428i | Base / Gran Coupe / xDrive |
| 2012-2016 | BMW | 528i | Base / xDrive |
| 2012-2015 | BMW | X1 | sDrive28i / xDrive28i |
| 2013-2017 | BMW | X3 | sDrive28i / xDrive28i |
| 2015-2018 | BMW | X4 | xDrive28i |
| 2012-2016 | BMW | Z4 | sDrive28i |
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2016 | BMW | 228i | Base |
| 2015-2016 | BMW | 228i xDrive | Base |
| 2013-2018 | BMW | 320i | Base |
| 2013-2018 | BMW | 320i xDrive | Base |
| 2012-2016 | BMW | 328i | Base |
| 2014-2016 | BMW | 328i GT xDrive | Base |
| 2013-2016 | BMW | 328i xDrive | Base |
| 2014-2016 | BMW | 428i | Base |
| 2015-2016 | BMW | 428i Gran Coupe | Base |
| 2014-2016 | BMW | 428i xDrive | Base |
| 2015-2016 | BMW | 428i xDrive Gran Coupe | Base |
| 2012-2016 | BMW | 528i | Base |
| 2012-2016 | BMW | 528i xDrive | Base |
| 2013-2015 | BMW | X1 | sDrive28i |
| 2012-2015 | BMW | X1 | xDrive28i |
| 2015-2017 | BMW | X3 | sDrive28i |
| 2013-2017 | BMW | X3 | xDrive28i |
| 2015-2018 | BMW | X4 | xDrive28i |
| 2012-2016 | BMW | Z4 | sDrive28i |
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