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The further you get away from the battery terminals the lower the voltage will read. Resistance will drop voltage when you draw current into your voltmeter. The further away the voltmeter is, the more resistance you have to read through. Other circuits will also draw current and drop the...

This sounds logical to me. Check the state of charge (SOC1). Isolate the battery. Let sit for a few days. Reconnect HV disconnect. Check the state of charge (SOC2). Compare SOC1 and SOC2. It is not going to isolate which module. If no charge loss, the remote friend may want to always...

Level1 charger is fairly slow. Did you leave the level1 charger on it for two days or just a few hours to see a battery level increase?

That last sentence gets you - no plug in hybrids.

Thanks for the photos of the before and after AC compressors. They clearly have been redesigning it through the years. Can you please tell us what year of BMW i3 and model REX or BEV for which the replacement occurred. Thank you.

They have been updating the part numbers for that compressor through the years. Not sure whether the facelift in 2018 has anything to do with that. There is only one that can be ordered new now for all years. I am curious about Rex vs BEV and failures. The BEV uses the AC compressor as a...

Yes. There were samsung battery cells in the i3 as I recall. If you get someone to upgrade the samsung battery cells to solid state, they would have more universal usage and possibly lower costs. But getting the software upgraded to support the updated cells would be a problem with BMW. BMW...

Not sure it is a good idea to tow any electric vehicle. When they are towed all four wheels up and not just the front two. The rear wheels in the i3 are directly connected to the electric motor as I recall. No tranny. If you really meant a trailer hitch, there is one aftermarket one but the...

Water damage? Lend car to someone thinking it was a touch screen?

There are commercial ones by state and federal governments. If you are looking for a home installation, you need to look into your electrical supplier that may have rebates.

Searching Google, the P1179 code indicates an O2 Sensor Signal Circuit issue. Possible causes Faulty O2 Sensor O2 Sensor harness is open or shorted O2 Sensor circuit poor electrical connection Because there is oil on the engine or exhaust somehow, the oil may be causing the circuit issue as...

Why I think REX makes a difference is whether or not the REX engine starts the fire due to a gasoline leak and then it spreads from the back forwards. If a fire starts from the battery, my guess is that it would start from underneath the car/floor board and spread upwards and outwards from...

Reading the article, it appears to be a BEV but it is not clear what year. The left over wheel seems to be for an early model (2014-2016) but I can't be sure.

When there are covers on the brake calipers, are they unable to dissipate heat into the air when braking? I suppose the regenerator does some of the braking for you but it is not in the front of the car.

"check for bad grounds." Good advice.

If one has a class D fire extinguisher in an I3, will that also extinguish a gas fire from gasoline and fire on the carbon-fibre body. Or does one need multiple types of extinguishers?

I think there are a number of switching solenoids in the EME (inverter). I speculate that if the rear wheels hit large bumps in the road, it might upset the solenoids and the switches to momentarily shut off the regeneration from AC at the electric motor to DC for the battery. This is just...

I noted this is an old important post. Can you update us on how this went? Also, can you let us know what year car to you have? I am guessing it is a REX and it is before 2017. It seems you have found there are different expansion valves for the HV battery and the cabin. I have read...

Do you have three phase into your NZ home? If so, you only need a three phase charger. If you have only a single phase into your NZ home, I would talk to an electrician about the options. The electricity into your home is going to be the most important factor. See...

I wonder what SME part number they put in. Did they put in the latest part number used in the 2021 or the SME for 2014-2016. I also wonder did they replace the HV cables or not. What kind of warranty did they give? One year?