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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > Re-assembling front differential



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      11-08-2018, 10:31 PM   #1
woodex m.e.
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Re-assembling front differential

Hey all, i had to disassemble my front differential to have the housing repaired. Anyone have an idea where i can find the torque specifications for re-assembling the housing? I seem to be striking out. 2007 335xi 6mt 3.08 ratio

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      01-07-2019, 12:16 AM   #2
woodex m.e.
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Bump for exposure. Putting this thing back together in the next week.
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      01-07-2019, 10:08 PM   #3
blueloco
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The specs for mounting to the engine are in TIS.

For the housing on the diff itself you can probably use standard metric torque specs. I have noticed everything that isn't some freaky aluminum bolt or torque-to-yield seems to closely follow the 75% of proof torque specs for the grade and size fastener in question.

Fastenal version here: https://crafter.fastenal.com/static-..._Fasteners.pdf
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      01-10-2019, 12:11 AM   #4
woodex m.e.
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Quote:
Originally Posted by blueloco View Post
The specs for mounting to the engine are in TIS.

For the housing on the diff itself you can probably use standard metric torque specs. I have noticed everything that isn't some freaky aluminum bolt or torque-to-yield seems to closely follow the 75% of proof torque specs for the grade and size fastener in question.

Fastenal version here: https://crafter.fastenal.com/static-..._Fasteners.pdf
Don't need the mounting torque, thats easily available just the housing assembly itself. Talked to my buddy about the 75% proof and aparently it seems to be a common practice on many vehicles. Ill probably just go with that Thanks for the help.
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