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Re: "Increased battery discharge when stationary" and other errors

Posted: Tue May 11, 2021 5:25 pm
by vinc
Thank you! I will start by getting a charger from Amazon and trying that. I assume that an 8A Charger/Maintainer would work? Although it is true that we have not been driving as much as we used to, we still drive about a couple of miles a day to get the kid to and from school, so I will report back.

Today things got more interesting. The car would not start and it was giving all sort of random errors (no ABS, drivetrain, steering...). I switched the lights from automatic to off and that seemed to do the trick, at least for now.

Re: "Increased battery discharge when stationary" and other errors

Posted: Tue May 11, 2021 9:29 pm
by alohart
vinc wrote:
Tue May 11, 2021 5:25 pm
I will start by getting a charger from Amazon and trying that. I assume that an 8A Charger/Maintainer would work?
I have an 0.8 A CTEK charger that works fine with the i3's low-capacity 20 Ah 12 V battery, so your 8 A charger will be way more than necessary.

Re: "Increased battery discharge when stationary" and other errors

Posted: Tue May 25, 2021 12:03 pm
by vinc
At the end, when I was ready to try the charger, we found a BMW mechanic that gave us a very reasonable estimate for replacing the battery. It was about $100 plus the cost of the battery.

I went with it and all issues went away.

Thanks for your help!