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OEM Suspension Position Sensors

Discussion in 'Model 3: Driving Dynamics' started by corndog, May 24, 2020.

  1. corndog

    corndog Member

    Joined:
    May 30, 2019
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    Location:
    Melbourne, Australia
    I swapped out the springs in my 2020 3LRD yesterday and noticed that it has suspension position sensors on the left hand side, front and rear. None on the right hand side.

    I haven't seen these mentioned anywhere yet, and I'm curious about what they would be doing. My theories are:
    - Monitoring shock absorber performance/wear
    - Load monitoring for determining braking/stability control requirements

    Anyone know? Maybe this is a common thing, but I've never owned a car with these before.

    2020-05-24 15.56.19-1.jpg 2020-05-24 18.13.20.jpg
     
  2. asian_xl

    asian_xl Member

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    128
    Location:
    Hong Kong
    yes, it's in my 2019 M3P, I noticed it when I upgrade to KW V3. It could be there for adjusting the headlights or cameras or mirrors
     
  3. Mash

    Mash Supporting Member

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    Location:
    Prague
    It's EU law about headlight automatic adjustments. US version doesn't have them.
     
  4. corndog

    corndog Member

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    Location:
    Melbourne, Australia
    Oh ok! So how do US cars level their headlights? Or don't they have "auto" leveling?
     
  5. lbowroom

    lbowroom Member

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    Location:
    Orange County
    We don’t tow caravans around with our sedans, so the back doesn’t sag.
     
  6. Mash

    Mash Supporting Member

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    Nov 10, 2019
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    Location:
    Prague
    I don't really know. I guess it's just a voluntarily decision.
     

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