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      04-13-2013, 06:13 PM   #149
Lorde
Ya ya ya, I am Lorde, ya ya!
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Drives: E90 M3, 2015 SQ5
Join Date: May 2011
Location: Snig

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2008 BMW M3 E90  [0.00]
Quote:
Originally Posted by Johndong888
Quote:
Originally Posted by mdosu View Post
I am going in to get an engine software update (240E). I have already done this swap with no issues on my April 08 build car. Should I swap in the old CCC controller before the update? Or is engine software update irrelevant?

thanks.
CIC controller install with cause an issue with the update. Your best bet is to swap it back before going in for the update. This is not from my personal experience but many have stated the incorrect controller part number causes an issue so take that for what it's worth

-John
Misinformation. Just went 70E to 240E with controller installed. No issues. 3/2008 build.