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      01-19-2012, 05:01 PM   #120
Technic
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Drives: 2015 320i
Join Date: Apr 2005
Location: Ft Lauderdale, Florida

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Quote:
Originally Posted by Dundas View Post
I'm confused.
My May 08 build E92 is due for routine service which the dealer tells me includes a software update. Can I leave the new controller in or do I need to put the original controller back in for the software update?
As stated before in the thread, remove new controller and re-install "old" controller before a software update. This way there will be no issues with the update process giving out error codes for "unknown" parts.