{"product_id":"king-engine-bearings-mb7779xpc-stdx-coated-performance-main-bearing-set-for-bmw-b58b30a","title":"King Engine Bearings MB7779XPC STDX Coated Performance Main Bearing Set for BMW B58B30A","description":"King Engine Bearings BMW B58B30A Coated Performance Main Bearing Set - Size STDX\n\u003cp\u003eUpgrade the foundation of your BMW B58B30A engine with the King Engine Bearings MB7779XPC STDX Coated Performance Main Bearing Set. Designed for performance-oriented engine builds, this main bearing set supports dependable crankshaft operation and helps maintain consistent bearing performance under demanding driving conditions. The coated bearing surface is engineered to promote durability, reduce friction, and provide added protection during engine operation.\u003c\/p\u003e\u003cp\u003eKing Engine Bearings combines precision manufacturing with application-specific design to deliver reliable fit and performance for the B58B30A platform. The MB7779XPC STDX set is intended for engines requiring the specified STDX bearing size and should be installed according to the engine manufacturer's service procedures. Proper crankshaft inspection, clearance measurement, lubrication, and installation are essential for achieving the intended results.\u003c\/p\u003e\u003cp\u003eThis main bearing set fits select BMW applications, including the 2016 BMW 340i, 340i xDrive, and 740i; 2017 BMW 340i, 340i xDrive, 340i GT xDrive, 440i, 740i xDrive, M240i, and M240i xDrive. Confirm engine code, bearing size requirements, and vehicle application before ordering. The set is supplied as one complete application-specific main bearing set for professional repair, rebuild, or performance engine assembly.\u003c\/p\u003e\u003ch3\u003eProduct Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: King Engine Bearings\u003c\/li\u003e\n\u003cli\u003ePart Number: MB7779XPC STDX\u003c\/li\u003e\n\u003cli\u003eApplication: BMW B58B30A engine\u003c\/li\u003e\n\u003cli\u003eBearing Type: Performance main bearing set\u003c\/li\u003e\n\u003cli\u003eBearing Finish: Coated\u003c\/li\u003e\n\u003cli\u003eBearing Size: STDX\u003c\/li\u003e\n\u003cli\u003eProduct Type: Automotive engine bearing component\u003c\/li\u003e\n\u003cli\u003eApplication Coverage: Select BMW 340i, 440i, 740i, and M240i models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eOne King Engine Bearings MB7779XPC STDX coated performance main bearing set.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCoated performance surface: Helps improve durability and protection during demanding engine operation.\u003c\/li\u003e\n\u003cli\u003eB58B30A application: Specifically designed for compatibility with select BMW B58B30A engine applications.\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered construction: Supports accurate crankshaft bearing fitment when installed with verified clearances.\u003c\/li\u003e\n\u003cli\u003ePerformance-focused design: Provides dependable main bearing support for engine repairs, rebuilds, and performance assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2016 BMW 340i Base\u003cbr\u003e\n2016 BMW 340i xDrive Base\u003cbr\u003e\n2016 BMW 740i Base\u003cbr\u003e\n2017 BMW 340i Base\u003cbr\u003e\n2017 BMW 340i GT xDrive Base\u003cbr\u003e\n2017 BMW 340i xDrive Base\u003cbr\u003e\n2017 BMW 440i Base\u003cbr\u003e\n2017 BMW 440i Gran Coupe Base\u003cbr\u003e\n2017 BMW 440i xDrive Base\u003cbr\u003e\n2017 BMW 440i xDrive Gran Coupe Base\u003cbr\u003e\n2017 BMW 540i Base\u003cbr\u003e\n2017 BMW 540i xDrive Base\u003cbr\u003e\n2017 BMW 740i Base\u003cbr\u003e\n2017 BMW 740i xDrive Base\u003cbr\u003e\n2017 BMW M240i Base\u003cbr\u003e\n2017 BMW M240i xDrive Base\u003cbr\u003e\n2018 BMW 340i Base\u003cbr\u003e\n2018 BMW 340i GT xDrive Base\u003cbr\u003e\n2018 BMW 340i xDrive Base\u003cbr\u003e\n2018 BMW 440i Base\u003cbr\u003e\n2018 BMW 440i Gran Coupe Base\u003cbr\u003e\n2018 BMW 440i xDrive Base\u003cbr\u003e\n2018 BMW 440i xDrive Gran Coupe Base\u003cbr\u003e\n2018 BMW 540i Base\u003cbr\u003e\n2018 BMW 540i xDrive Base\u003cbr\u003e\n2018 BMW 640i xDrive Gran Turismo Base\u003cbr\u003e\n2018 BMW 740i Base\u003cbr\u003e\n2018 BMW 740i xDrive Base\u003cbr\u003e\n2018 BMW M240i Base\u003cbr\u003e\n2018 BMW M240i xDrive Base\u003cbr\u003e\n2018 BMW X3 M40i\u003cbr\u003e\n2019 BMW 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