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  1. R

    Unknown Error BMS_a066

    I'll have to try and see if this is the case with my refurb'd unit.
  2. R

    Unknown Error BMS_a066

    Just got my car back. Was replaced with a refurbed HV Battery. Estimated range is back up to 310 miles which is nice. Process took about a month with a week of complaints from the car before it decided it didn't want to charge anymore and 3 weeks in service waiting for a pack. This is probably...
  3. R

    Unknown Error BMS_a066

    Confirmed. Battery is toast. Still driveable but am losing about 20 miles of range per day. They've ordered a replacement battery and are trying to get me a loaner in the meantime.
  4. R

    Unknown Error BMS_a066

    My Turn! Got a BMS_a066 message today as I was leaving for lunch. Have a 2018 M3P with 85,500 miles. Drove down the road to service center and the rep couldn't make heads or tails of it. Teslafi shows battery degradation a little bit more than the same average mile car. Max range of 268 Miles at...