King Engine Bearings MB7779MC.026 B58 Main Bearing Set, +0.010 in. Oversize

King Engine Bearings Toyota Supra B58 Main Bearing Set - Size +0.26mm

King Engine Bearings MB7779MC.026 main bearing set is designed for Toyota Supra B58 engine applications and compatible BMW B58 platforms. Manufactured for precision engine rebuilding, this +0.010-inch oversize bearing set is intended for crankshafts machined to the corresponding undersize journal specification. Verify crankshaft measurements and bearing clearances before installation to ensure proper fit and performance.

King Engine Bearings applies advanced materials engineering and precision manufacturing to deliver dependable load support, wear resistance, and oil control in demanding automotive applications. The MB7779MC.026 set is suitable for professional engine builders, performance enthusiasts, and replacement engine projects requiring accurately sized main bearings. Always follow the engine manufacturer’s service procedures, use the correct installation orientation, and confirm all clearances with calibrated measuring equipment.

Fitment includes select 2016–2017 BMW 340i, 340i xDrive, 740i, 740i xDrive, M240i, M240i xDrive, 340i GT xDrive, and 440i models equipped with the B58 engine. This bearing set is also associated with Toyota Supra B58 applications. Vehicle compatibility can vary by engine configuration, production date, and previous machining work, so confirm application details before ordering.

Product Specifications and Technical Data

• Brand: King Engine Bearings
• Part Number: MB7779MC.026
• Application: B58 engine main bearing set
• Bearing Size: +0.010 inch oversize
• Component Type: Main engine bearings
• Vehicle Type: Automotive
• Installation: Professional engine assembly recommended
• Quantity: One complete bearing set

What’s Included

One King Engine Bearings MB7779MC.026 B58 main bearing set. Crankshaft machining, installation hardware, and additional engine components are not included.

Features:

• Precision B58 fitment for compatible Toyota Supra and BMW applications
• +0.010-inch oversize sizing for crankshafts machined to the matching undersize specification
• Engineered for dependable load support and wear resistance in high-demand applications
• Designed to help maintain accurate oil control and proper main journal clearance

Fitments:
2016 BMW 340i Base
2016 BMW 340i xDrive Base
2016 BMW 740i Base
2017 BMW 340i Base
2017 BMW 340i GT xDrive Base
2017 BMW 340i xDrive Base
2017 BMW 440i Base
2017 BMW 440i Gran Coupe Base
2017 BMW 440i xDrive Base
2017 BMW 440i xDrive Gran Coupe Base
2017 BMW 540i Base
2017 BMW 540i xDrive Base
2017 BMW 740i Base
2017 BMW 740i xDrive Base
2017 BMW M240i Base
2017 BMW M240i xDrive Base
2018 BMW 340i Base
2018 BMW 340i GT xDrive Base
2018 BMW 340i xDrive Base
2018 BMW 440i Base
2018 BMW 440i Gran Coupe Base
2018 BMW 440i xDrive Base
2018 BMW 440i xDrive Gran Coupe Base
2018 BMW 540i Base
2018 BMW 540i xDrive Base
2018 BMW 640i xDrive Gran Turismo Base
2018 BMW 740i Base
2018 BMW 740i xDrive Base
2018 BMW M240i Base
2018 BMW M240i xDrive Base
2018 BMW X3 M40i
2019 BMW 340i GT xDrive Base
2019 BMW 440i Base
2019 BMW 440i Gran Coupe Base
2019 BMW 440i xDrive Base
2019 BMW 440i xDrive Gran Coupe Base
2019 BMW 540i Base
2019 BMW 540i xDrive Base
2019 BMW 640i xDrive Gran Turismo Base
2019 BMW 740i Base
2019 BMW 740i xDrive Base
2019 BMW M240i Base
2019 BMW M240i xDrive Base
2019 BMW X3 M40i
2019 BMW X4 M40i
2019 BMW X5 xDrive40i
2019 BMW X7 xDrive40i
2020 BMW 440i Base
2020 BMW 440i Gran Coupe Base
2020 BMW 440i xDrive Base
2020 BMW 440i xDrive Gran Coupe Base
2020 BMW 540i Base
2020 BMW 540i xDrive Base
2020 BMW 740i Base
2020 BMW 740i xDrive Base
2020 BMW 745e xDrive Base
2020 BMW 840i Base
2020 BMW 840i Gran Coupe Base
2020 BMW 840i xDrive Base
2020 BMW 840i xDrive Gran Coupe Base
2020 BMW M240i Base
2020 BMW M240i xDrive Base
2020 BMW X5 sDrive40i
2020 BMW X5 xDrive40i
2020 BMW X6 sDrive40i
2020 BMW X6 xDrive40i
2020 BMW X7 xDrive40i
2021 BMW 540i Base
2021 BMW 540i xDrive Base
2021 BMW 740i Base
2021 BMW 740i xDrive Base
2021 BMW 745e xDrive Base
2021 BMW 840i Base
2021 BMW 840i Gran Coupe Base
2021 BMW 840i xDrive Base
2021 BMW 840i xDrive Gran Coupe Base
2021 BMW M240i Base
2021 BMW M240i xDrive Base
2021 BMW X5 sDrive40i
2021 BMW X5 xDrive40i
2021 BMW X6 sDrive40i
2021 BMW X6 xDrive40i
2021 BMW X7 xDrive40i
2022 BMW 540i Base
2022 BMW 540i xDrive Base
2022 BMW 740i Base
2022 BMW 740i xDrive Base
2022 BMW 745e xDrive Base
2022 BMW 840i Base
2022 BMW 840i Gran Coupe Base
2022 BMW 840i xDrive Base
2022 BMW 840i xDrive Gran Coupe Base
2022 BMW X5 sDrive40i
2022 BMW X5 xDrive40i
2022 BMW X6 xDrive40i
2022 BMW X7 xDrive40i
2023 BMW 540i Base
2023 BMW 540i xDrive Base
2023 BMW 840i Base
2023 BMW 840i Gran Coupe Base
2023 BMW 840i xDrive Base
2023 BMW 840i xDrive Gran Coupe Base
2023 BMW X5 sDrive40i
2023 BMW X5 xDrive40i
2023 BMW X6 xDrive40i
2024 BMW 840i Base
2024 BMW 840i Gran Coupe Base
2024 BMW 840i xDrive Base
2024 BMW 840i xDrive Gran Coupe Base
2025 BMW 840i Base
2025 BMW 840i Gran Coupe Base
2025 BMW 840i xDrive Base
2025 BMW 840i xDrive Gran Coupe Base
2026 BMW 840i Base
2026 BMW 840i Gran Coupe Base
2026 BMW 840i xDrive Base
2026 BMW 840i xDrive Gran Coupe Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1