Welcome to The Circuit – the official place to connect with other EV drivers about the
BMW i3, the BMW i8, and the electric lifestyle. Share stories, ask questions, and
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Welcome to The Circuit – the official place to connect with other EV drivers about the BMW i3,
the BMW i8, and the electric lifestyle. Share stories, ask questions, and continue the conversation
as we all journey into the future.
Find out the answers to the most commonly asked questions about BMW i vehicles. If you
still have questions, please feel free to reach out to our BMW Concierge team.
If you would like to speak directly with a BMW i Representative, you can contact BMW via
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from the BMW Experts.
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No problem on charging with the level 2 I had installed at my office location. However, I thought the included charger would be able to run off the one circuit in my detached garage. No such luck. Admittedly, the garage was not likely constructed with the most care... But, would have expected it to be to Code? The Panel indicates it is a 20Amp circuit. Having owned this for the last 10 days of a sub-zero cold streak, I wonder if that has relevance? I do have it at the Low setting.
Try plugging your OUC into a different outlet. If the power fault occurs upon plugging in to the wall outlet, you could plug it into an outlet in your house or at your workplace. If no power fault occurs, the problem is an electrical problem with your garage outlet or circuit such as a bad or missing ground connection or low voltage.
If the power fault doesn't occur until you connect to your i3, you'd need to find another outlet where you could plug in your i3 (e.g., neighbor, friend, relative).
If the power fault occurs regardless of where your OUC is plugged, your OUC is likely defective.
2014 BMW i3 Arravani Grey, Giga World, Tech + Driving Assist, Parking Assist, DC Fast Charging, JuiceBox EVSE
I have this problem with my 330e. If I test my outlet with one of those 3 LED testers you buy at the hardware store, it shows up as OK - polarity not switched, ground is good, etc. However, my level 1 charging unit frequently says “Power Fault.” Somewhere, I saw a suggestion that maybe the grounding stake for my house is inadequate, so tonight I poured a bucket of water over the grounding stake, and now the car is charging. (I live in California, so the ground is drier here...) Anyway, it appears that the charging unit is a lot pickier about the ground than the little 3-LED testing gizo is.
Had the same issue with the OUC for our i3 REX. There's another post on this forum about changing out residential/builders grade 15a/125v power outlet receptacles for commercial/professional grade receptacles. Despite being the eternal skeptic I went to our local Lowes and bought a couple of c/p receptacles and swapped them out on the circuit to our garage.
Shockingly, it worked! There was nothing wrong with the OUC, it seems r/b grade receptacles aren't up to the job of charging an i3 via the OUC after extended periods of use (20 months of OUC/L1 charging exclusively at home).
I bought a spare new OUC off of eBay ($360) during the time between the Power Fault occurring and fixing the outlet issue and while the replacement did work (initially) on the r/b receptacles it soon started the Power Fault issue.
Now I have my original charger and a spare to keep WAGGIN charging forward both at home and on the road.
We love our i3 REX! Gas @ $3 a gallon and above, who cares!