Concerned, for sure, and I'd be surprised it was significantly in error. But it's worth it to have the current owner run it down and recharge it just to be sure.

FB to the rescue!

This is good to know. I always thought the HV disconnect was recommended but not required. I had no idea it could result in this much chaos.

I recall reading fairly convincing proof (from the archives, here in this forum) cell balancing occurs at lower states of charge. But because balancing relies on voltage, it's most effective at high SOCs where there's a meaningful difference between hundredths of a point, where for mid SOCs it's pre...

I'm presuming there's a difference between "advertised" vs. internal. So, in other words, the J1772 standard likely has a minimum amperage the EVSE can communicate to the car. When I say "minimum" what I mean is the EVSE's job is to advertise a max amperage available from the cir...

There are some stock BMW OUCs (Delphi EVSEs) that are 8 amp units. That would equate to 960 watts as a reference minimum charge the i3 could accept. The J1772 standard probably defines an even lower limit, but I don't know one way or the other whether the i3 would accept it. Sounds like an interesti...

I ought to look if there's a portable L1 EVSE with a similar feature. I primarily charge on 120 volts at work and reliablly take on 30% over 8 hours, so generally I only plug in if I'm near 50%. My home EVSE is a "dumb' Clipper Creek which is too reliable to get rid of. The ID.4 my wife drives ...

It's not a 10% buffer, it's 4-5% buffer, the other portion exists at the bottom end. 20% "degradation" by choice vs. actual degradation are two different things. When I've traveled in my i3, ABRP is really handy for indicating where I need 80% compared to legs I might need 95% or 100%, and...

I've owned two sunroof equipped i3s -- at 2017 and a 2021 -- and the difference between my non-CF roof is unmistakable versus the CF weave pattern that shows through the non-sunroof equipped models. The roof doesn't take a magnet and I recall reading it's aluminum, though it could be a stainless ste...

If you're referring to what's being discussed in this thread, it's the cabin temperature sensor.

viewtopic.php?t=17140

The US i3s with sunroofs have aluminum roofs.