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      07-08-2013, 11:16 PM   #3
Frogman
Lieutenant Colonel
United_States
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Drives: 2012 F30 328i
Join Date: Mar 2012
Location: SoCal

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I just code with the car running.

With the engine running, there are no worries about draining the battery or having the car shut itself off after 15 minutes.

They only ECU you can't code with the engine running is the DME and I don't touch that.
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