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Dash01
09-15-2008, 06:24 PM
M30 engine 535ia: What is correct torque setting for the main bearings on the crankshaft?

I have the oil pan off and want to make sure the bearing bolts are properly torqued before closing the engine. Bentley does not say.

bad_manners_god
09-15-2008, 07:17 PM
1990 535ia: (from Mitchell on Demand)

Main Bearing Caps: 42-45 ft.lbs. (N.m.:58-62)

Blitzkrieg Bob
09-15-2008, 07:54 PM
From Haynes

Torque wrench settings Nm
Main bearing cap-to-engine block bolts*
M10, M20 and M30 engines . . . . . . . . . . . . . . . . . 60

632 Regal
09-16-2008, 12:25 AM
man thats weak, i remember 100-150lbs being standard... thank god I havent had to rip into one of these yet. would make cheese out of the threads.
From Haynes

Torque wrench settings Nm
Main bearing cap-to-engine block bolts*
M10, M20 and M30 engines . . . . . . . . . . . . . . . . . 60

Blitzkrieg Bob
09-16-2008, 01:00 AM
man thats weak, i remember 100-150lbs being standard... thank god I havent had to rip into one of these yet. would make cheese out of the threads.

All you'd hear is SNAP...:(