{"product_id":"king-engine-bearings-mb7779xpc0-25-bmw-b58b30a-coated-performance-main-bearing-set-0-25-mm","title":"King Engine Bearings MB7779XPC0.25 BMW B58B30A Coated Performance Main Bearing Set, 0.25 mm","description":"King Engine Bearings BMW B58B30A (Size 0.25) Coated Performance Main Bearing Set\n\u003cp\u003eThe King Engine Bearings MB7779XPC0.25 is a coated performance main bearing set designed for BMW B58B30A engines requiring a 0.25 mm undersize bearing specification. Built for precision engine rebuilding and performance applications, this main bearing set supports reliable crankshaft operation and consistent bearing performance under demanding conditions.\u003c\/p\u003e\u003cp\u003eEach bearing uses King Engine Bearings’ coated performance construction to help improve wear resistance, load handling, and durability in high-stress engine environments. The set is intended for properly prepared crankshafts and should be installed by a qualified technician using the engine manufacturer’s service procedures, clearances, and torque specifications. Verify crankshaft journal sizing and application details before installation.\u003c\/p\u003e\u003cp\u003eKing Engine Bearings part number MB7779XPC0.25 is designed for select BMW vehicles equipped with the B58B30A engine, including the 2016 BMW 340i, 340i xDrive, and 740i; 2017 BMW 340i, 340i xDrive, 740i xDrive, M240i, M240i xDrive, 340i GT xDrive, and 440i. Confirm the engine code, model year, crankshaft condition, and required bearing size before ordering. This product is supplied as one complete main bearing set.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Designed for BMW B58B30A engine applications requiring 0.25 mm undersize main bearings\u003c\/li\u003e\n\u003cli\u003eCoated Construction: Performance coating helps support wear resistance and durability under demanding operating conditions\u003c\/li\u003e\n\u003cli\u003ePrecision Fit: Manufactured for accurate crankshaft-to-bearing fit when used with properly machined and inspected components\u003c\/li\u003e\n\u003cli\u003eEngine Rebuild Support: Suitable for professional engine rebuilding, repair, and performance applications\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 340i GT xDrive Base\u003cbr\u003e\n2019 BMW 440i Base\u003cbr\u003e\n2019 BMW 440i Gran Coupe Base\u003cbr\u003e\n2019 BMW 440i xDrive Base\u003cbr\u003e\n2019 BMW 440i xDrive Gran Coupe Base\u003cbr\u003e\n2019 BMW 540i Base\u003cbr\u003e\n2019 BMW 540i xDrive Base\u003cbr\u003e\n2019 BMW 640i xDrive Gran Turismo Base\u003cbr\u003e\n2019 BMW 740i Base\u003cbr\u003e\n2019 BMW 740i xDrive Base\u003cbr\u003e\n2019 BMW M240i Base\u003cbr\u003e\n2019 BMW M240i xDrive Base\u003cbr\u003e\n2019 BMW X3 M40i\u003cbr\u003e\n2019 BMW X4 M40i\u003cbr\u003e\n2019 BMW X5 xDrive40i\u003cbr\u003e\n2019 BMW X7 xDrive40i\u003cbr\u003e\n2020 BMW 440i Base\u003cbr\u003e\n2020 BMW 440i Gran Coupe Base\u003cbr\u003e\n2020 BMW 440i xDrive Base\u003cbr\u003e\n2020 BMW 440i xDrive Gran Coupe Base\u003cbr\u003e\n2020 BMW 540i Base\u003cbr\u003e\n2020 BMW 540i xDrive Base\u003cbr\u003e\n2020 BMW 740i Base\u003cbr\u003e\n2020 BMW 740i xDrive Base\u003cbr\u003e\n2020 BMW 745e xDrive Base\u003cbr\u003e\n2020 BMW 840i Base\u003cbr\u003e\n2020 BMW 840i Gran Coupe Base\u003cbr\u003e\n2020 BMW 840i xDrive Base\u003cbr\u003e\n2020 BMW 840i xDrive Gran Coupe Base\u003cbr\u003e\n2020 BMW M240i Base\u003cbr\u003e\n2020 BMW M240i xDrive Base\u003cbr\u003e\n2020 BMW X5 sDrive40i\u003cbr\u003e\n2020 BMW X5 xDrive40i\u003cbr\u003e\n2020 BMW X6 sDrive40i\u003cbr\u003e\n2020 BMW X6 xDrive40i\u003cbr\u003e\n2020 BMW X7 xDrive40i\u003cbr\u003e\n2021 BMW 540i Base\u003cbr\u003e\n2021 BMW 540i xDrive Base\u003cbr\u003e\n2021 BMW 740i Base\u003cbr\u003e\n2021 BMW 740i xDrive Base\u003cbr\u003e\n2021 BMW 745e xDrive Base\u003cbr\u003e\n2021 BMW 840i Base\u003cbr\u003e\n2021 BMW 840i Gran Coupe Base\u003cbr\u003e\n2021 BMW 840i xDrive Base\u003cbr\u003e\n2021 BMW 840i xDrive Gran Coupe Base\u003cbr\u003e\n2021 BMW M240i Base\u003cbr\u003e\n2021 BMW M240i xDrive Base\u003cbr\u003e\n2021 BMW X5 sDrive40i\u003cbr\u003e\n2021 BMW X5 xDrive40i\u003cbr\u003e\n2021 BMW X6 sDrive40i\u003cbr\u003e\n2021 BMW X6 xDrive40i\u003cbr\u003e\n2021 BMW X7 xDrive40i\u003cbr\u003e\n2022 BMW 540i Base\u003cbr\u003e\n2022 BMW 540i xDrive Base\u003cbr\u003e\n2022 BMW 740i Base\u003cbr\u003e\n2022 BMW 740i xDrive Base\u003cbr\u003e\n2022 BMW 745e xDrive Base\u003cbr\u003e\n2022 BMW 840i Base\u003cbr\u003e\n2022 BMW 840i Gran Coupe Base\u003cbr\u003e\n2022 BMW 840i xDrive Base\u003cbr\u003e\n2022 BMW 840i xDrive Gran Coupe Base\u003cbr\u003e\n2022 BMW X5 sDrive40i\u003cbr\u003e\n2022 BMW X5 xDrive40i\u003cbr\u003e\n2022 BMW X6 xDrive40i\u003cbr\u003e\n2022 BMW X7 xDrive40i\u003cbr\u003e\n2023 BMW 540i Base\u003cbr\u003e\n2023 BMW 540i xDrive Base\u003cbr\u003e\n2023 BMW 840i Base\u003cbr\u003e\n2023 BMW 840i Gran Coupe Base\u003cbr\u003e\n2023 BMW 840i xDrive Base\u003cbr\u003e\n2023 BMW 840i xDrive Gran Coupe Base\u003cbr\u003e\n2023 BMW X5 sDrive40i\u003cbr\u003e\n2023 BMW X5 xDrive40i\u003cbr\u003e\n2023 BMW X6 xDrive40i\u003cbr\u003e\n2024 BMW 840i 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