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      11-13-2012, 11:10 AM   #11
MilehighM3
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Drives: Harrop E90 M3
Join Date: May 2011
Location: Colorado Springs

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2009 E90 M3  [6.50]
You should only bump the starter. Almost as quick as you can stop it, do so. The button will stop the starter. You really only need about 120 degrees of rotation to get to the next set of valves.
To get to the crank pulley, you'll need to pull out the aux fan.
I don't have any DIYs, but I've done it several ways. Do what ever you're comfortable with. If you're hesitant to do it, don't. It's not worth the financial risk involved if something goes wrong!
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