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Model 3 harmonic bounce issue?

Discussion in 'Canada' started by Rlhm3, Jun 9, 2018.

  1. Rlhm3

    Rlhm3 Member

    Joined:
    Apr 30, 2018
    Messages:
    54
    Location:
    Orleans (Ottawa), Ontario, Canada
    Anybody else experience something that felt like the car was bouncing? This happened to me while driving on the 401 but it went away after about a minute.

    Someone else in the "What do you hate about your M3" thread mentioned that they've experienced it too so decided to create a separate thread for it.
     
  2. sitter_k

    sitter_k Active Member

    Joined:
    Jun 23, 2014
    Messages:
    1,032
    Location:
    Toronto (GTA)
    maybe you got the beta air suspension.....
     
    • Funny x 2
  3. yul sam

    yul sam Member

    Joined:
    Sep 4, 2015
    Messages:
    24
    Location:
    Canada
    Yes happened to me on a long stretch between Oshawa and Cobourg. Felt as if a wheel was going to come off. I’m going to lower the tire pressure from 48 to 42.
     
  4. Anto

    Anto Member

    Joined:
    Jun 10, 2018
    Messages:
    58
    Location:
    Ottawa, Ontario, Canada
    To be fair, I have this problem in one stretch of the 416 that was just re-surfaced in 2016. It's quite annoying, but only happens when I go 120km/h. It's very likely a mix of 3 components: asphalt / car / speed. If you change any one of them, it should go away or get better.
     
  5. Anto

    Anto Member

    Joined:
    Jun 10, 2018
    Messages:
    58
    Location:
    Ottawa, Ontario, Canada
    *ahem* Forgot to mention that this was in my old Mazda 3. I'm just waiting for delivery then I can test in the Model 3 and confirm if it's for all cars of just mine...
     
    • Informative x 1
  6. Robert2on

    Robert2on Member

    Joined:
    May 8, 2018
    Messages:
    46
    Location:
    Ontario, Canada
    There is a few sections of road along that stretch that are particularly "wavy", I can think of at least 3 spots with the worst one just past the Port Hope supercharger heading towards Cobourg. I checked it out in the left lane yesterday and found no issues, but I recall from my ICE cars that the right lane is particularly bad just past that last exit for about 1-2 km and will try that later today.

    I also felt something like this leaving the International Centre on the 409 but then it disappeared from there. I'm glad you brought this up so we can all watch for it and get action if there is an issue. With most cars you just take it as it is, with nobody to ask. The forum is great.
     
    • Like x 1
  7. Tomayr

    Tomayr Member

    Joined:
    May 20, 2018
    Messages:
    41
    Location:
    Ayr, On
    Lower the tire pressure. Way too high from factory. 40-42psi is plenty.
     
    • Informative x 1
    • Like x 1

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