{"product_id":"king-engine-bearings-bmw-n63-s63-crankshaft-main-bearing-set-0-25mm-mb5801sm0-25","title":"King Engine Bearings BMW N63\/S63 Crankshaft Main Bearing Set +0.25mm - MB5801SM0.25","description":"King Engine Bearings BMW N63\/S63 Crankshaft Main Bearing Set - Size +0.25mm\n\u003cp\u003eThe King Engine Bearings MB5801SM0.25 crankshaft main bearing set is designed for BMW engines using the N63 and S63 platforms. Manufactured in an oversized +0.25mm specification, this bearing set is intended for crankshafts that have been machined to the corresponding undersize main journal diameter during an engine rebuild or precision restoration.\u003c\/p\u003e\u003cp\u003eKing Engine Bearings main bearings are engineered to support reliable crankshaft operation under demanding street and performance applications. The bearing set helps maintain proper oil clearance when used with accurately machined journals, correctly measured housing bores, and the manufacturer’s recommended installation procedures. Always verify crankshaft dimensions, bearing clearances, and engine-specific requirements before installation.\u003c\/p\u003e\u003cp\u003eThis automotive replacement component is supplied as a complete crankshaft main bearing set for the applicable BMW N63\/S63 engine configuration. Fitment includes select BMW 550i, 550i GT, X5, and X6 models from the listed model years. Vehicle applications can vary by engine code, production date, and original equipment specifications, so confirm the engine application and required bearing oversize before ordering.\u003c\/p\u003e\u003cp\u003eCompatible applications include the 2008-2012 BMW X6, 2011-2012 BMW X5, 2010-2012 BMW 550i, and 2010 BMW 550i GT when equipped with the applicable N63 or S63 engine configuration.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOversize +0.25mm main bearings: Designed for crankshafts machined to accept a +0.25mm oversized main bearing specification.\u003c\/li\u003e\n\u003cli\u003eBMW N63\/S63 compatibility: Developed for select BMW engines using the N63 and S63 V8 platforms.\u003c\/li\u003e\n\u003cli\u003ePrecision engine rebuild support: Helps restore proper main bearing oil clearance when matched to accurately machined crankshaft journals.\u003c\/li\u003e\n\u003cli\u003ePerformance-oriented construction: Engineered for dependable crankshaft support in demanding street and performance applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2008 BMW X6 xDrive50i\u003cbr\u003e\n2009 BMW 750i Base\u003cbr\u003e\n2009 BMW 750Li Base\u003cbr\u003e\n2009 BMW X6 xDrive50i\u003cbr\u003e\n2010 BMW 550i Gt Base\u003cbr\u003e\n2010 BMW 550i GT xDrive Base\u003cbr\u003e\n2010 BMW 750i Base\u003cbr\u003e\n2010 BMW 750i xDrive Base\u003cbr\u003e\n2010 BMW 750Li Base\u003cbr\u003e\n2010 BMW 750Li xDrive Base\u003cbr\u003e\n2010 BMW X6 ActiveHybrid\u003cbr\u003e\n2010 BMW X6 xDrive50i\u003cbr\u003e\n2011 BMW 550i Base\u003cbr\u003e\n2011 BMW 550i Gt Base\u003cbr\u003e\n2011 BMW 550i GT xDrive Base\u003cbr\u003e\n2011 BMW 550i xDrive Base\u003cbr\u003e\n2011 BMW 750i ActiveHybrid\u003cbr\u003e\n2011 BMW 750i Base\u003cbr\u003e\n2011 BMW 750i xDrive Base\u003cbr\u003e\n2011 BMW 750Li ActiveHybrid\u003cbr\u003e\n2011 BMW 750Li Base\u003cbr\u003e\n2011 BMW 750Li xDrive Base\u003cbr\u003e\n2011 BMW Alpina B7 Base\u003cbr\u003e\n2011 BMW Alpina B7 xDrive Base\u003cbr\u003e\n2011 BMW Alpina B7L Base\u003cbr\u003e\n2011 BMW Alpina B7L xDrive Base\u003cbr\u003e\n2011 BMW X5 xDrive50i\u003cbr\u003e\n2011 BMW X6 ActiveHybrid\u003cbr\u003e\n2011 BMW X6 xDrive50i\u003cbr\u003e\n2012 BMW 550i Base\u003cbr\u003e\n2012 BMW 550i Gt Base\u003cbr\u003e\n2012 BMW 550i GT xDrive Base\u003cbr\u003e\n2012 BMW 550i xDrive Base\u003cbr\u003e\n2012 BMW 650i Base\u003cbr\u003e\n2012 BMW 650i xDrive Base\u003cbr\u003e\n2012 BMW 750i ActiveHybrid\u003cbr\u003e\n2012 BMW 750i Base\u003cbr\u003e\n2012 BMW 750i xDrive Base\u003cbr\u003e\n2012 BMW 750Li ActiveHybrid\u003cbr\u003e\n2012 BMW 750Li Base\u003cbr\u003e\n2012 BMW 750Li xDrive Base\u003cbr\u003e\n2012 BMW Alpina B7 Base\u003cbr\u003e\n2012 BMW Alpina B7 xDrive Base\u003cbr\u003e\n2012 BMW Alpina B7L Base\u003cbr\u003e\n2012 BMW Alpina B7L xDrive Base\u003cbr\u003e\n2012 BMW X5 xDrive50i\u003cbr\u003e\n2012 BMW X6 xDrive50i\u003cbr\u003e\n2013 BMW 550i Base\u003cbr\u003e\n2013 BMW 550i Gt Base\u003cbr\u003e\n2013 BMW 550i GT xDrive Base\u003cbr\u003e\n2013 BMW 550i xDrive Base\u003cbr\u003e\n2013 BMW 650i xDrive Base\u003cbr\u003e\n2013 BMW 750i Base\u003cbr\u003e\n2013 BMW 750i xDrive Base\u003cbr\u003e\n2013 BMW 750Li Base\u003cbr\u003e\n2013 BMW 750Li xDrive Base\u003cbr\u003e\n2013 BMW Alpina B7 Base\u003cbr\u003e\n2013 BMW Alpina B7 xDrive Base\u003cbr\u003e\n2013 BMW Alpina B7L Base\u003cbr\u003e\n2013 BMW Alpina B7L xDrive Base\u003cbr\u003e\n2013 BMW X5 xDrive50i\u003cbr\u003e\n2013 BMW X6 xDrive50i\u003cbr\u003e\n2014 BMW 550i Base\u003cbr\u003e\n2014 BMW 550i Gt Base\u003cbr\u003e\n2014 BMW 550i GT xDrive Base\u003cbr\u003e\n2014 BMW 550i xDrive Base\u003cbr\u003e\n2014 BMW 650i Base\u003cbr\u003e\n2014 BMW 650i Gran Coupe Base\u003cbr\u003e\n2014 BMW 650i xDrive Base\u003cbr\u003e\n2014 BMW 650i xDrive Gran Coupe Base\u003cbr\u003e\n2014 BMW 750i Base\u003cbr\u003e\n2014 BMW 750i xDrive Base\u003cbr\u003e\n2014 BMW 750Li Base\u003cbr\u003e\n2014 BMW 750Li xDrive Base\u003cbr\u003e\n2014 BMW Alpina B7 Base\u003cbr\u003e\n2014 BMW Alpina B7 xDrive Base\u003cbr\u003e\n2014 BMW Alpina B7L Base\u003cbr\u003e\n2014 BMW Alpina B7L xDrive Base\u003cbr\u003e\n2014 BMW X5 xDrive50i\u003cbr\u003e\n2014 BMW X6 xDrive50i\u003cbr\u003e\n2015 BMW 550i Base\u003cbr\u003e\n2015 BMW 550i Gt Base\u003cbr\u003e\n2015 BMW 550i GT xDrive Base\u003cbr\u003e\n2015 BMW 550i xDrive Base\u003cbr\u003e\n2015 BMW 650i Base\u003cbr\u003e\n2015 BMW 650i Gran Coupe Base\u003cbr\u003e\n2015 BMW 650i xDrive Base\u003cbr\u003e\n2015 BMW 650i xDrive Gran Coupe Base\u003cbr\u003e\n2015 BMW 750i Base\u003cbr\u003e\n2015 BMW 750i xDrive Base\u003cbr\u003e\n2015 BMW 750Li Base\u003cbr\u003e\n2015 BMW 750Li xDrive Base\u003cbr\u003e\n2015 BMW Alpina B6 xDrive Gran Coupe Base\u003cbr\u003e\n2015 BMW Alpina B7 Base\u003cbr\u003e\n2015 BMW Alpina B7 xDrive Base\u003cbr\u003e\n2015 BMW Alpina B7L Base\u003cbr\u003e\n2015 BMW Alpina B7L xDrive Base\u003cbr\u003e\n2015 BMW X5 xDrive50i\u003cbr\u003e\n2015 BMW X6 xDrive50i\u003cbr\u003e\n2016 BMW 550i Base\u003cbr\u003e\n2016 BMW 550i GT xDrive Base\u003cbr\u003e\n2016 BMW 550i xDrive Base\u003cbr\u003e\n2016 BMW 650i Base\u003cbr\u003e\n2016 BMW 650i Gran Coupe Base\u003cbr\u003e\n2016 BMW 650i xDrive Base\u003cbr\u003e\n2016 BMW 650i xDrive Gran Coupe Base\u003cbr\u003e\n2016 BMW 750i Base\u003cbr\u003e\n2016 BMW 750i xDrive Base\u003cbr\u003e\n2016 BMW Alpina B6 xDrive Gran Coupe Base\u003cbr\u003e\n2016 BMW X5 xDrive50i\u003cbr\u003e\n2016 BMW X6 xDrive50i\u003cbr\u003e\n2017 BMW 550i GT xDrive Base\u003cbr\u003e\n2017 BMW 650i Base\u003cbr\u003e\n2017 BMW 650i Gran Coupe Base\u003cbr\u003e\n2017 BMW 650i xDrive Base\u003cbr\u003e\n2017 BMW 650i xDrive Gran Coupe Base\u003cbr\u003e\n2017 BMW 750i Base\u003cbr\u003e\n2017 BMW 750i xDrive Base\u003cbr\u003e\n2017 BMW Alpina B6 xDrive Gran Coupe Base\u003cbr\u003e\n2017 BMW X5 xDrive50i\u003cbr\u003e\n2017 BMW X6 xDrive50i\u003cbr\u003e\n2018 BMW 650i Base\u003cbr\u003e\n2018 BMW 650i Gran Coupe Base\u003cbr\u003e\n2018 BMW 650i xDrive Base\u003cbr\u003e\n2018 BMW 650i xDrive Gran Coupe Base\u003cbr\u003e\n2018 BMW 750i Base\u003cbr\u003e\n2018 BMW 750i xDrive Base\u003cbr\u003e\n2018 BMW Alpina B6 xDrive Gran Coupe Base\u003cbr\u003e\n2018 BMW X5 xDrive50i\u003cbr\u003e\n2018 BMW X6 xDrive50i\u003cbr\u003e\n2019 BMW 650i Gran Coupe Base\u003cbr\u003e\n2019 BMW 650i xDrive Gran Coupe Base\u003cbr\u003e\n2019 BMW 750i Base\u003cbr\u003e\n2019 BMW 750i xDrive Base\u003cbr\u003e\n2019 BMW Alpina B6 xDrive Gran Coupe Base\u003cbr\u003e\n2019 BMW X6 xDrive50i\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable 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