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      08-24-2012, 12:47 PM   #14
bb2405
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Drives: F10 535i M-sport
Join Date: Aug 2011
Location: Newport Beach, CA

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2011 BMW 535i  [8.76]
Quote:
Originally Posted by Klecha man View Post
I thought you also don't need to disconnect the battery if you let the car sleep for 10 minutes. When i had my stage 1 installed, I did not disconnect the battery and I did not have any issues. I think Stage 2 has a few more wires to connect so maybe the battery does need to be disconnected.
I mean, its not completely necessary but its better to be safe than sorry, taking the battery off only takes like 2 minutes anyways.
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