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Different tyre heights between winter and normal tyre

Discussion in 'Model X: Driving Dynamics' started by fevzinet, Nov 12, 2016.

  1. fevzinet

    fevzinet New Member

    Joined:
    Mar 12, 2016
    Messages:
    2
    Location:
    Istanbul, Turkey
    Recommended sizes for normal tyres are:
    Normal:
    Front: 255-45-R20 20x9.0j
    Rear: 275-45-R20 20x10.0J

    While winter tyres are:
    Front and Rear: 265-50-R19

    Normal tyres (front and rear) have a diameter difference of 1.5-2 cm. This should result the car to be inclining forward slightly. Since this is the recommended size, we presume that the production took this into consideration and adjusted the axis heights accordingly, which makes the car leveled.

    However, Front and rear tyres for winter sets are the same size. So if the car is aligned for normal tyres, now the car will be inclined backwards slightly.

    Is the car supposed to DYNAMICALLY adjust different heights for different tyre sets automatically?
     
  2. balefire

    balefire Member

    Joined:
    Sep 27, 2013
    Messages:
    131
    Location:
    Chicago, IL
    The difference in tire height is less than a calculator might suggest since the wheel width differs.

    Yes the ride height should automatically be adjusted with AAA.
     

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