King Engine Bearings MB5784SI0.25 BMW N20/B20 Crankshaft Main Bearings

King Engine Bearings BMW N20/B20 Crankshaft Main Bearings

King Engine Bearings MB5784SI0.25 crankshaft main bearings are designed for BMW N20 and B20 engines requiring precision replacement main bearing components. Manufactured for dependable crankshaft support, these bearings help maintain proper oil clearance and contribute to smooth, reliable engine operation under everyday and performance-oriented driving conditions.

Each bearing set is engineered with application-specific materials and geometry to promote consistent load distribution, effective lubrication, and resistance to wear. The MB5784SI0.25 part number indicates a 0.25 mm undersize application, making these bearings suitable for crankshafts that have been machined to the corresponding journal specification. Always verify crankshaft measurements and bearing clearance before installation.

These King Engine Bearings main bearings are intended for select BMW applications equipped with N20/B20 engines, including the 2012 and 2013 BMW 328i, 2013 BMW 328i xDrive, 2012 through 2016 BMW Z4, and 2013 and 2014 BMW X1. Confirm engine code, model year, crankshaft condition, and required bearing size before ordering. Professional installation and precise clearance measurement are recommended for proper fit and long-term performance.

What's Included: One set of King Engine Bearings BMW N20/B20 crankshaft main bearings.

Features:

• Application-Specific Fit: Designed for BMW N20/B20 engine crankshaft main bearing applications.
• 0.25 mm Undersize: Intended for crankshafts machined to the matching undersize journal specification.
• Precision Engineered: Manufactured to support accurate oil clearance and dependable crankshaft operation.
• Wear-Resistant Performance: Helps provide durable protection against friction, load, and normal engine wear.

Fitments:
2012 BMW 328i Base
2012 BMW 528i Base
2012 BMW 528i xDrive Base
2012 BMW X1 xDrive28i
2012 BMW Z4 sDrive28i
2013 BMW 320i Base
2013 BMW 320i xDrive Base
2013 BMW 328i Base
2013 BMW 328i xDrive Base
2013 BMW 528i Base
2013 BMW 528i xDrive Base
2013 BMW X1 sDrive28i
2013 BMW X1 xDrive28i
2013 BMW X3 xDrive28i
2013 BMW Z4 sDrive28i
2014 BMW 228i Base
2014 BMW 320i Base
2014 BMW 320i xDrive Base
2014 BMW 328i Base
2014 BMW 328i GT xDrive Base
2014 BMW 328i xDrive Base
2014 BMW 428i Base
2014 BMW 428i xDrive Base
2014 BMW 528i Base
2014 BMW 528i xDrive Base
2014 BMW X1 sDrive28i
2014 BMW X1 xDrive28i
2014 BMW X3 xDrive28i
2014 BMW Z4 sDrive28i
2015 BMW 228i Base
2015 BMW 228i xDrive Base
2015 BMW 320i Base
2015 BMW 320i xDrive Base
2015 BMW 328i Base
2015 BMW 328i GT xDrive Base
2015 BMW 328i xDrive Base
2015 BMW 428i Base
2015 BMW 428i Gran Coupe Base
2015 BMW 428i xDrive Base
2015 BMW 428i xDrive Gran Coupe Base
2015 BMW 528i Base
2015 BMW 528i xDrive Base
2015 BMW X1 sDrive28i
2015 BMW X1 xDrive28i
2015 BMW X3 sDrive28i
2015 BMW X3 xDrive28i
2015 BMW X4 xDrive28i
2015 BMW Z4 sDrive28i
2016 BMW 228i Base
2016 BMW 228i xDrive Base
2016 BMW 320i Base
2016 BMW 320i xDrive Base
2016 BMW 328i Base
2016 BMW 328i GT xDrive Base
2016 BMW 328i xDrive Base
2016 BMW 428i Base
2016 BMW 428i Gran Coupe Base
2016 BMW 428i xDrive Base
2016 BMW 428i xDrive Gran Coupe Base
2016 BMW 528i Base
2016 BMW 528i xDrive Base
2016 BMW X3 sDrive28i
2016 BMW X3 xDrive28i
2016 BMW X4 xDrive28i
2016 BMW Z4 sDrive28i
2017 BMW 320i Base
2017 BMW 320i xDrive Base
2017 BMW X3 sDrive28i
2017 BMW X3 xDrive28i
2017 BMW X4 xDrive28i
2018 BMW 320i Base
2018 BMW 320i xDrive Base
2018 BMW X4 xDrive28i

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