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      04-02-2012, 04:19 PM   #11
Frostbite
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United_States
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Drives: E92 M3
Join Date: Aug 2011
Location: USA

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Quote:
Originally Posted by nchan50 View Post
maybe a dumb question but anyone know if the battery has enough juice to run the full 2.5 hour install without starting the engine/driving around?
I'm not sure. I started mine when I had to drive across town and run errands so I updated about a hour while driving and the rest at home with the power on/engine off with no problems