[sadisticpandabear]

So my engine management is throwing this error.

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Power management: Remote software upgrade due to battery aging deactivated
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I have a G20 330E. Its about a year old. Would be weird if the 12V (i assume it is the 12V battery. My LAst battery on on my previous car lastest 8 years and was still working fine.


I checked the voltage, 12.2V didnt start anything. Just opened the door and popped the hood and measure it. Seems normal as door was open, interior lights were on and stuff.

State of charge was 75%, after a drive to work (all electric), SOC was 80% (70Ah original bmw battery)

Is it really my battery dying so soon? Would putting it on a trickle charger over night fix it? Yought charging the HV battery, charges the 12V also.


Or just bite the bullet and get a new battery (pretty fast after a year, have to say i bought it and must been standing for while )


//hmm checked the battery itself, why the system thinks its a 70Ah battery, i checked the battery and its has written 60ah top.

Would that cause the issue