King Engine Bearings MB7776SI0.5 BMW N55B30A, N53B30A, N52B30A Main Bearing Set, +0.50 mm

King Engine Bearings BMW N55B30A/N53B30A/N52B30A Main Bearing Set - Size +0.50mm

The King Engine Bearings MB7776SI0.5 main bearing set is designed for BMW N55B30A, N53B30A, and N52B30A engines requiring an oversized main bearing fit. Manufactured to support accurate crankshaft-to-bearing clearance, this +0.50 mm set is intended for properly machined engine rebuilds and performance applications where the crankshaft has been prepared for oversized bearings.

King Engine Bearings applies precision manufacturing and advanced bearing technology to help deliver dependable load support, effective oil control, and consistent operation under demanding engine conditions. The bearing set is engineered for proper alignment and reliable performance when installed according to the engine builder’s specifications. Verify crankshaft journal measurements, housing condition, and required bearing clearance before installation.

Fitment includes select BMW applications equipped with compatible N55B30A, N53B30A, or N52B30A engines, including the 2006 BMW 525i, 525xi, and 530i; 2006 BMW 530xi; 2007 BMW 525xi and 530xi; 2008 BMW 528i, 528xi, and 535i; and 2009 BMW 535i. Vehicle compatibility may vary by engine configuration and production details, so confirm the original bearing specifications and engine code before ordering.

The King Engine Bearings MB7776SI0.5 set is supplied as a complete main bearing set for the applicable engine assembly. Professional installation is recommended, with final clearance verification performed using appropriate precision measurement tools.

Features:

• Application: Main bearing set for select BMW N55B30A, N53B30A, and N52B30A engines
• Oversize Fit: +0.50 mm bearing size for crankshafts machined to the required specification
• Precision Clearance: Manufactured to support accurate bearing clearance and crankshaft alignment
• Engine Rebuild Support: Suitable for professional rebuild, restoration, and performance engine applications

Fitments:
2006 BMW 325i Base
2006 BMW 325xi Base
2006 BMW 330i Base
2006 BMW 330xi Base
2006 BMW 525i Base
2006 BMW 525xi Base
2006 BMW 530i Base
2006 BMW 530xi Base
2006 BMW Z4 Coupe 3.0si
2006 BMW Z4 Roadster 3.0i
2006 BMW Z4 Roadster 3.0si
2007 BMW 328i Base
2007 BMW 328xi Base
2007 BMW 335i Base
2007 BMW 335xi Base
2007 BMW 525i Base
2007 BMW 525xi Base
2007 BMW 530i Base
2007 BMW 530xi Base
2007 BMW X3 3.0si
2007 BMW X5 3.0si
2007 BMW Z4 Coupe 3.0si
2007 BMW Z4 Roadster 3.0i
2007 BMW Z4 Roadster 3.0si
2008 BMW 128i Base
2008 BMW 135i Base
2008 BMW 328i Base
2008 BMW 328xi Base
2008 BMW 335i Base
2008 BMW 335xi Base
2008 BMW 528i Base
2008 BMW 528xi Base
2008 BMW 535i Base
2008 BMW 535xi Base
2008 BMW X3 3.0si
2008 BMW X5 3.0si
2008 BMW X6 xDrive35i
2008 BMW Z4 Coupe 3.0si
2008 BMW Z4 Roadster 3.0i
2008 BMW Z4 Roadster 3.0si
2009 BMW 128i Base
2009 BMW 135i Base
2009 BMW 328i Base
2009 BMW 328i xDrive Base
2009 BMW 335i Base
2009 BMW 335i xDrive Base
2009 BMW 528i Base
2009 BMW 528i xDrive Base
2009 BMW 535i Base
2009 BMW 535i xDrive Base
2009 BMW X3 xDrive30i
2009 BMW X5 xDrive30i
2009 BMW X6 xDrive35i
2009 BMW Z4 sDrive30i
2009 BMW Z4 sDrive35i
2010 BMW 128i Base
2010 BMW 135i Base
2010 BMW 328i Base
2010 BMW 328i xDrive Base
2010 BMW 335i Base
2010 BMW 335i xDrive Base
2010 BMW 528i Base
2010 BMW 528i xDrive Base
2010 BMW 535i Base
2010 BMW 535i GT Base
2010 BMW 535i xDrive Base
2010 BMW X3 xDrive30i
2010 BMW X5 xDrive30i
2010 BMW X6 xDrive35i
2010 BMW Z4 sDrive30i
2010 BMW Z4 sDrive35i
2011 BMW 1 Series M Base
2011 BMW 128i Base
2011 BMW 135i Base
2011 BMW 328i Base
2011 BMW 328i xDrive Base
2011 BMW 335i Base
2011 BMW 335i xDrive Base
2011 BMW 335is Base
2011 BMW 528i Base
2011 BMW 535i Base
2011 BMW 535i GT Base
2011 BMW 535i GT xDrive Base
2011 BMW 535i xDrive Base
2011 BMW 740i Base
2011 BMW 740Li Base
2011 BMW X3 xDrive28i
2011 BMW X3 xDrive35i
2011 BMW X5 xDrive35i
2011 BMW X6 xDrive35i
2011 BMW Z4 sDrive30i
2011 BMW Z4 sDrive35i
2011 BMW Z4 sDrive35is
2012 BMW 128i Base
2012 BMW 135i Base
2012 BMW 328i Base
2012 BMW 328i xDrive Base
2012 BMW 335i Base
2012 BMW 335i xDrive Base
2012 BMW 335is Base
2012 BMW 535i Base
2012 BMW 535i GT Base
2012 BMW 535i GT xDrive Base
2012 BMW 535i xDrive Base
2012 BMW 740i Base
2012 BMW 740Li Base
2012 BMW ActiveHybrid 5 Base
2012 BMW X3 xDrive28i
2012 BMW X3 xDrive35i
2012 BMW X5 xDrive35i
2012 BMW X6 xDrive35i
2012 BMW Z4 sDrive35i
2012 BMW Z4 sDrive35is
2013 BMW 128i Base
2013 BMW 135i Base
2013 BMW 135is Base
2013 BMW 328i Base
2013 BMW 328i xDrive Base
2013 BMW 335i Base
2013 BMW 335i xDrive Base
2013 BMW 335is Base
2013 BMW 535i Base
2013 BMW 535i GT Base
2013 BMW 535i GT xDrive Base
2013 BMW 535i xDrive Base
2013 BMW ActiveHybrid 3 Base
2013 BMW ActiveHybrid 5 Base
2013 BMW ActiveHybrid 7 Base
2013 BMW X1 xDrive35i
2013 BMW X3 xDrive35i
2013 BMW X5 xDrive35i
2013 BMW X6 xDrive35i
2013 BMW Z4 sDrive35i
2013 BMW Z4 sDrive35is
2014 BMW 335i Base
2014 BMW 335i GT xDrive Base
2014 BMW 335i xDrive Base
2014 BMW 435i Base
2014 BMW 435i xDrive Base
2014 BMW 535i Base
2014 BMW 535i GT Base
2014 BMW 535i GT xDrive Base
2014 BMW 535i xDrive Base
2014 BMW ActiveHybrid 3 Base
2014 BMW ActiveHybrid 5 Base
2014 BMW ActiveHybrid 7 Base
2014 BMW X1 xDrive35i
2014 BMW X3 xDrive35i
2014 BMW X5 sDrive35i
2014 BMW X5 xDrive35i
2014 BMW X6 xDrive35i
2014 BMW Z4 sDrive35i
2014 BMW Z4 sDrive35is
2015 BMW 335i Base
2015 BMW 335i GT xDrive Base
2015 BMW 335i xDrive Base
2015 BMW 435i Base
2015 BMW 435i Gran Coupe Base
2015 BMW 435i xDrive Base
2015 BMW 435i xDrive Gran Coupe Base
2015 BMW 535i Base
2015 BMW 535i GT Base
2015 BMW 535i GT xDrive Base
2015 BMW 535i xDrive Base
2015 BMW ActiveHybrid 3 Base
2015 BMW ActiveHybrid 5 Base
2015 BMW ActiveHybrid 7 Base
2015 BMW X1 xDrive35i
2015 BMW X3 xDrive35i
2015 BMW X4 xDrive35i
2015 BMW X5 sDrive35i
2015 BMW X5 xDrive35i
2015 BMW X6 sDrive35i
2015 BMW X6 xDrive35i
2015 BMW Z4 sDrive35i
2015 BMW Z4 sDrive35is
2016 BMW 335i GT xDrive Base
2016 BMW 435i Base
2016 BMW 435i Gran Coupe Base
2016 BMW 435i xDrive Base
2016 BMW 435i xDrive Gran Coupe Base
2016 BMW 535i Base
2016 BMW 535i GT Base
2016 BMW 535i GT xDrive Base
2016 BMW 535i xDrive Base
2016 BMW ActiveHybrid 5 Base
2016 BMW M2 Base
2016 BMW X3 xDrive35i
2016 BMW X4 M40i
2016 BMW X4 xDrive35i
2016 BMW X5 sDrive35i
2016 BMW X5 xDrive35i
2016 BMW X6 sDrive35i
2016 BMW X6 xDrive35i
2016 BMW Z4 sDrive35i
2016 BMW Z4 sDrive35is
2017 BMW 535i GT Base
2017 BMW 535i GT xDrive Base
2017 BMW M2 Base
2017 BMW X3 xDrive35i
2017 BMW X4 M40i
2017 BMW X5 sDrive35i
2017 BMW X5 xDrive35i
2017 BMW X6 sDrive35i
2017 BMW X6 xDrive35i
2018 BMW M2 Base
2018 BMW X4 M40i
2018 BMW X5 sDrive35i
2018 BMW X5 xDrive35i
2018 BMW X6 sDrive35i
2018 BMW X6 xDrive35i
2019 BMW X6 sDrive35i
2019 BMW X6 xDrive35i

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