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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Differential ring gear Torque specs?



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      11-12-2010, 07:23 PM   #1
zimon
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Differential ring gear Torque specs?

Does anyone know tightening torque of a differential ring gear bolts. The 10 bolts that hold the ring gear and the diff together. On 335i 6spd
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      11-12-2010, 10:24 PM   #2
rbaldwin28
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Are you installing a lsd yourself? If your build date is after feb 2007 it would be welded. Sorry I don't know the answer to your question but good luck.
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      10-20-2012, 07:41 AM   #3
n55PR
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I am doing my own LSD install and have been searching around for the torque specs for the ring gear bolts for a 2011 335 (small diff). I have seen people posting torque specs from 100Nm to 190Nm. Seems too large of a range, I plan to torque first to 100Nm initially and then to 125Nm.

Has anyone been able to get the torque specs from BMW or from any other reliable source?
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Last edited by n55PR; 10-20-2012 at 11:46 AM..
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      10-20-2012, 11:00 AM   #4
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What size, thread pitch, and class fsstener are you using?
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      10-20-2012, 11:45 AM   #5
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Dont know, I will know Monday or Tuesday when I remove the dif housing and take it appart. I was trying to collect all the torque spec before taking things apart......
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