Burnt-out ANT BMS 2016 High voltage GEM

GEM Forum
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I think I burnt out my ANT BMS. It kind of smells like a burnt plastic and beeps nonstop until I unplug it. BMS app lists CHGMosErr. This is the 2016 E4 that @Erniea15 converted to high voltage with a @Inwo tesla pack. Any recommendations on a replacement BMS? Easy to do on my own or will I need one of my local San Diego experts assistance?

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I think i remember this car. Does this car also have one of those 8kwAC motor kits ?
Are you sure it is a 2016? (It might be a transition car).

I think I have one of those ANT BMS on my “Bought it and never did anything with it” shelf.

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Yes. This is the 8kw motor I have. VIN look up says model year 2016

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@smspring I totally dropped the ball on balancing that cell a while ago… guessing you solved that. I’m spinning too many plates.

I think I have a spare ANT in my garage too… If I can find it. Let me dig around.

The swap should be easy. Just grab a snapshot of all the settings.