King Engine Bearings BMW N55 Crankshaft Main Bearing Kit STD (MB7776SI) - Standard Size - E82 E90 F10 F30 - Fits M135i M235i 335i 435i 535i 640i 740i

King STD Size Crankshaft Bearing Shell Set for BMW N55 - Part No. MB7776SI

Give your N55 bottom end the reliability it deserves with King’s OE-size crank bearings. This standard diameter shell pack is built for precise oil clearance, quiet running and long service life on turbocharged BMW straight-six engines. Perfect for high-mileage refreshes, preventative maintenance and performance builds where consistency and durability matter.

We run these shells in our own N55 builds at MJ Modifications and customer feedback has been superb. Expect smooth start-up, stable oil film under load and confidence at factory power or tuned levels when tolerances are set correctly by a competent engine builder.

Key reasons to choose this bearing set

• Standard size crank journal shells for BMW N55B30 applications
• Direct-fit OE replacement with accurate geometry and repeatable clearances
• Designed by King Engine Bearings for dependable performance on road and track
• Ideal for bottom-end refresh, rebuilds, or when addressing wear on the crank journals
• Consistent coating quality for reliable hydrodynamic film and reduced NVH
• Workshop trusted by MJ Modifications with excellent results and happy owners

What you receive

• Full set of crank main journal shells - STD size

Vehicle applications

For BMW models fitted with the N55 turbocharged 3.0 petrol engine across E and F chassis, including saloon, coupé, convertible, estate and xDrive variants:

• 1 Series and 2 Series performance models such as M135i and M235i
• 3 Series and 4 Series including 335i and 435i
• 5 Series, 6 Series and 7 Series including 535i, 640i and 740i
• X Series with N55 power such as X3 35i, X4 35i, X5 35i and X6 35i
• Typical chassis codes covered include E82, E88, E90 LCI, E91 LCI, E92 LCI, E93 LCI, F10, F11, F20, F21, F22, F23, F30, F31, F32, F33, F36, F06, F12, F13 and related xDrive variants

Unsure about fitment for your registration or specific N55 variant. We can check for you.

Compatibility check

For peace of mind, add your UK registration or the last 7 digits of your VIN at checkout. We will verify suitability before dispatch to ensure you receive the correct bearing shells for your engine.

Professional fitting

Installation available at MJ Modifications in Warwickshire. To request a quote or book fitting, email info@mjmodifications.co.uk. We recommend professional measuring and clearance verification during assembly for the best results.

Part number

MB7776SI - STD

Manufacturer

King Engine Bearings

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