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      12-12-2011, 03:24 PM   #1
GIdriver
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Question Battery charger for flash tune

I'm looking foward getting the ESS flash tune for my e90 M. It is recommended to have a battery charger during the process. Can anyone tell me what kind of battery charger (trickle charger, etc.) and name examples. Sorry if this is a stupid question. Is just that I don't want to screw the tune or the ECU. Thanks!
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      12-12-2011, 03:49 PM   #2
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I used my Snap-On one but I also use the Battery Tenders as well.
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      12-12-2011, 07:10 PM   #3
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I used my Snap-On one but I also use the Battery Tenders as well.
Thanks!
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      12-12-2011, 07:55 PM   #4
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So a battery tender will work?
We don't need an actual charger right?
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      12-12-2011, 08:25 PM   #5
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So a battery tender will work?
We don't need an actual charger right?
I would think so although only the pulling down of your stock file takes a lot of time. Uploading the tune is 4 times faster.
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