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      11-29-2011, 06:23 PM   #1
So Kewl Guy
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Drives: 2010 E93 M3 DCT
Join Date: Sep 2011
Location: Los Angeles

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Crank Pulley / Idler Pulley Torque Specs

So I installed my AA power pulley a couple weeks ago and one thing I noticed was I couldn't find the torque specs for the crank pulley and the idler pulley. I tried searching this forum and google to no success. (I did find the crank pulley from a DIY guide, but I got mixed numbers). So I thought I would post the numbers for anyone trying to put in the pulley themselves. Straight from a dealership, the technician gave me the numbers 22MN for the crank pulley T45 bolts (about 16-17 ft-lb) and 40 NM for the idler if it spins clockwise. I have a DCT and the belt routing makes it go clockwise.
Appreciate 0
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