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      10-21-2010, 09:44 PM   #38
Second Lieutenant
reds2k1's Avatar

Drives: BMW 330i 06'; Honda S2000 01'
Join Date: Nov 2005
Location: Stevenson Ranch, CA

iTrader: (6)

I just replaced my battery with an OEM replacement. Now I need to register the new battery and/or reset the battery adaption.

I have the Bav Tech tool "enthusiast" version and have the following question.

In the Engine Module/Commands, I see 2 options for battery.

Battery Replacement Adaption
Register Replacement Battery (something like this)

Which option should I use? What's the difference between the two?


Originally Posted by scottp999 View Post
You can reset the battery adaption with the Bav Tec tool (even with the enthusiast version). My replacement battery (lightweight) worked for a couple weeks and then I began getting the low battery light because the car was under-charging it. I needed to reset the battery adaption. To do this with the BT tool:

Engine Module, Commands, Battery Replacement Adaption, Click Send Button.