Hello every one! I’m glad to share BMW i3 repair techniques

[Stevick]

I also just checked my L2 EVSE with a voltmeter to determine if the charging handle was leaking voltage when not plugged into the charging port and read 0.0 volts. My check was not performed immediately after using it for a charge, since I had just fully charged with the L1 EVSE successfully without the 22287E "AC charging: Network voltage exists in spite of charging unreadiness" code being set. I'm not sure what to try next to determine if the L2 EVSE is the culprit for that fault, but now I at least know its not a safety hazard (though it may still potentially a hazard to the on-board charger).

 

[alohart]

Do you know if both on-board chargers are AC?

Yes

Is one for 120v (L1) with the other kicking in for the other 120v leg on a 240v L2 charge? or is one for DC and/or REX generator output?

In U.S. i3's (AC charging is only single-phase), both on-board chargers are AC chargers with a maximum charging power of 3.7 kW each. In early i3's, one charger was in the KLE and the other, in the EME. In later i3's, the charger in the EME was moved to the KLE.

I believe that an EV on-board charger always accept AC input and produces DC output to charge the battery pack. There must be some electronic circuitry involved with DC charging, but I don't believe that this circuitry is described as a charger.

I've never owned a REx and am not very familiar with how they operate.

 

[madasa fish]

Knocks from front suspension?
Could be piping running from front reservoirs down bulkhead and into channels running length of car. Stuff channels with insulation.

 

[AUTOMAN]

Greetings from reading your update I think you have found your problem which is your home charger,which is good .
Unfortunately an unforeseen issue has forced me to suspend my investigation for a few days but will not forget the quest . The information I posted was from the dongle I think you are reading the information from a fault code reader???
I will get the general information and post it up within a few days.
The road noise has been a feature of the vehicle from new I contacted a well thought of dealer in London who agreed with me with regards the level of road noise,, but I have nothing to compare it with on a smooth road fantastic but on average roads awful.

 

[AUTOMAN]

Hi Stevick. I did actually reply but it seems to have got lost , obviously you have found the fault which is good.
I will post up the dongle results in a few days I suspect you are reading your results from a code reader, hence the complex results. The reason I used the dongle was to find out how much running time was on the generator basically for servicing . The general road noise is a combination of hard tyres the chassis and the actual road surface.I would like to compare mine to another vehicle Regards

 

[Stevick]

AUTOMAN, I'm still unsure about the charging fault. I re-checked voltages on the unplugged L2 charging handle and there was 25 volts between the left large upper pin and the left center smaller pin (polarized). The L1 EVSE (which does not trigger the fault) was the same though. This still suggests that there may be no spurious voltage leakage from the L2 EVSE and the problem is on the car end - and perhaps even related to the problematic EME fault code. Given that Alohart has explained about the 2 on-board AC chargers, I'm beginning to wonder if one of the chargers (for 120v only) is fine and the other one (for the additional 120v @ L2) maybe potentially faulty, but I'm at an impasse now. I'm not quite ready to trash the L2 charger yet, which has served me well thus far. It came with a 120v outlet adapter to charge at L1, so I'll try that next to see if it throws a code using that. Unfortunately, I do not have another L2 EVSE to try, but if necessary, I may go a public L2 EVSE as the next step.

I am using a Creator C310+ hand scan tool. I got from Amazon. Despite being omitted in the listing, the scan tool does work with the I01 chassis and includes it in the vehicle selection menu. I also have a BT dongle that worked with BimmerCode, but never invested in BimmerLink as it doesn't seem to offer anything I can't already do with the Creator. The difference in the data available by our respective tools may make comparing difficult, but I'm hoping we can still get some insights.