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Regen Problems due to Aftermarket Wheels (20’)

Discussion in 'Model 3' started by Duran, Aug 24, 2018.

  1. Duran

    Duran New Member

    Joined:
    Aug 24, 2018
    Messages:
    2
    Location:
    Austin, Texas
    Hello All,

    I recently put 20’ Vorsteiner VFF 103s on my RWD Model 3.

    After doing so I lost Battery Regen over 20ish MPH

    Has anyone heard of problems occurring with their regen due to oversized wheel diameter?

    upload_2018-8-24_10-19-26.jpeg
     
  2. Msjulie

    Msjulie Active Member

    Joined:
    Jun 26, 2016
    Messages:
    1,314
    Location:
    San Fran Bay Area
    Your car prompted you about noticing a new wheel/tire size right? When we switched the OEM 18 aeros for the OEM 19 the car was reprogrammed because of TPMS sensor changes and then about 3-5 miles later it said it noticed a new wheel size and wanted me to confirm...
     
    • Like x 1
  3. Thomas Edison

    Thomas Edison Active Member

    Joined:
    Apr 3, 2016
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    1,153
    Location:
    Portland-ish
    I'm shocked that the car even has enough torque to move with wheels that large. They must weigh 3 tons each!
     
    • Funny x 2
  4. remlemasi

    remlemasi Member

    Joined:
    May 30, 2018
    Messages:
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    Location:
    SoCal
    These wheels are very, very light so I can't imagine the weight is contributing to any regen issues. I know the 19" x 9.5" and 19" x 10.5" are approx. 22.4 lbs and 22.8 lbs respectively.

    For context, the Tesla 18" x 8.5" Aeros are 21.6 lbs without covers, the Tesla 19" x 8.5" Sports are 25.0 lbs, and the Tesla 20" x 8.5" Sports are speculated to be over 30 lbs.
     
  5. Uncle Paul

    Uncle Paul Active Member

    Joined:
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    Location:
    Canyon Lake,CA
    Maybe it is not the wheels. If you have charged up to 100% regen also goes away until you have some reserve battery storage.
     
  6. Josh@GYW

    Joined:
    Apr 9, 2014
    Messages:
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    Location:
    Santa Fe Springs, Ca
    So far, all of my customers with the 20" wheel packages have had no issues so it may be what @Uncle Paul said.
     
    • Like x 1
  7. TheLocNar

    TheLocNar Member

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    Location:
    Chicago
    Yeah do you remember what your battery percentage was at?
     
  8. bshah1976

    bshah1976 Member

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    Aug 25, 2018
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    Location:
    Chicago, IL
    Is that lowered?
     
  9. SSedan

    SSedan Member

    Joined:
    Jul 24, 2017
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    949
    Location:
    Greenville Wisconsin
    The fixation on rim diameter on this whole forum is misplaced. The usual talk of efficiency changes is due to aerodynamics and tires, the sometimes talked about reset is mostly about proper TPMS setting, maybe some speedometer component if the OEM offerings have a TIRE diameter change.

    For something like a Regen issue after tire swap I would make sure the tires are all the same size. Places have been known to screw up and mix sizes. A tire being a different size could confuse the car when the ABS sees differing rpm at the tires.

    On the rim weight vs Regen, I assure you rim weight is totally meaningless when compared to the load the 4000lbs car and any slope to the road may create.
     
  10. Promo714

    Promo714 Member

    Joined:
    Aug 6, 2015
    Messages:
    60
    Location:
    Yorba Linda, CA
    I had a similar thing happen this past week after having the OEM 18" wheels/tires rotated. It only lasted one drive, though. Upon driving away from the tire store I had no regen until the speed dropped down to +/-20 mph. When I got home I did a reset of the car and then the next time I drove it it was fine and worked normally again.
     

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