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  1. S

    Fault code 21F13D

    Hi All, The maintenance records for a 2016 that I am considering buying has the following line in the Fault Codes section under the shown subtitles: ------ Code: 21F13D SIB Number: B61 20 16 Measures title: POWER LOSS AT VERY LOW SOC OF HV BATTERY Please check the relevance of...
  2. S

    Question on coolant, TPMS

    Hi All, For those that use a separate winter wheel set, is the i3 capable of storing 8 TPMS (Summer/AS + Winter) or do they need to be reset everytime the wheels are swapped? Also, does the i3 have coolant for any inverters and such and if so is there a change interval. How about any...
  3. S

    Ways to fix chip in quarter panel

    Hi All, I am currently considering an i3 that has a chip in the quarter panel. Since it's a CFRP panel, I am wondering what different ways exist in terms of a repair and whether BMW sells filler/touchup for things like this. Thanks in advance.
  4. S

    Is SOC in Hold SOC setting relative to start SOC?

    If I have the i3 parked for the night at 60% SOC and start with the same SOC the next day morning, could a coded REX be turned on immediately or only after waiting for the SOC to come down to 75% of 60% SOC? I have seen descriptions where it's mentioned that anytime the car is stopped and...
  5. S

    Lithium-ion fires

    Hi All, We know of Teslas catching fire, at least one due to road debris rupturing the bottom shield of the battery, and now recently one in China. Is anyone aware of any similar incidents with the i3 or otherwise any assurances from BMW in this regard, either because of robust cell...
  6. S

    60Ah vs 94Ah battery longevity

    I am wondering how the 2017 94Ah battery is doing in terms of degradation, now that it has been out a couple of years; search hasn't turned up anything. Any real world experiences out there? Thanks in advance.
  7. S

    BEV vs REX

    Hi All, I am seriously looking at the i3 now that we need an additional car. The BEV would fit our needs for a city car, but aside from the range anxiety, the REX seems to offer the advantage of being able to use the car in town at slower speeds, should the battery life fall, say to a 10 mile...
  8. S

    Transporting BEV

    Hi All, If I buy a BEV at a far-off location and need to transport it, what are the most economical options, if I would like to transport it myself within USA? Would I rent an SUV from a car rental company and a trailer from U-Haul? Thanks.
  9. S

    EVs with active battery cooling

    I heard the i3 has it. Does it cool the battery in high ambient temps when the vehicle is parked? Also, I am wondering what other EVs have this feature. I heard some of the battery longevity issues with the Leaf were attributed to high ambient and/or running temperatures.
  10. S

    Make REX engine an installable module

    Since the REX engine is a component of a "serial" hybrid, making the REX engine available as a dealer-installable upgrade/option would be beneficial for the following reasons: 1. Environmentally beneficial: (a) Many inbuilt-REX purchasers may use it only occassionally, if at all. So, lugging...
  11. S

    Make REX engine available on wheels

    Since the REX engine is a component of a "serial" hybrid, making the REX engine available as an accessory would be beneficial for the following reasons: 1. Environmentally beneficial: (a) Many inbuilt-REX purchasers may use it only occassionally, if at all. So, lugging around ~300 lbs at...
  12. S

    REX Maintenance Schedule

    Hello All, I searched on this forum but couldn't find it. Is there a published maintenance schedule for the REX engine or is it all condition based? If the latter, what has been the experience? Thanks, Srivenkat
  13. S

    BEV SOC testing

    Hello, I am a prospective buyer of an i3. A couple of questions: 1. If I understand correctly, with a REX, one could test SOC down to 6% without fear of becoming stranded. I am wondering how a BEV can be tested to these or lower levels. 2. I have seen reports of wrong SOC being displayed by...
  14. S

    REX engine on wheels

    Hi All, I am intrigued by the i3 and am looking to get one while somewhat afraid of the many problems that have been reported and potential out-of-warranty costs. One thing I have been wondering about is this: Wouldn't it have been better if BMW offered the REX engine mounted on its own wheels...
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