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      11-13-2012, 11:54 AM   #4
tom @ eas
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Drives: BMW
Join Date: Nov 2005
Location: Anaheim, CA

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Quote:
Originally Posted by Nicname View Post
I first installed the tune when my car had 6k miles on it so the battery was new and I knew it could handle being on for 2 hrs while reading the codes and about an hr installing the new codes. Now I got an x pipe, and will have to install a new tune. I'm wondering if now I'll need a battery stabilizer to do the tuning process. My car has almost 10k miles so idk if the battery itself can handle the tuning process this time around.
Basically, can I do this tuning without a battery stabilizer?
If I do need one, any brands/recommendations?
2012 battery should be just fine. Not sure how long flashing takes on the MySimon units but a write is ~5min uwing the ESS E-Flash suite.

Just turn off all battery loads while flashing (headlights, radio, A/C, etc.) and all should be well. Otherwise, a 2AMP battery charger during the flashing process is never a bad idea.
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