Vibration/Grinding? at highway speed, goes away when turning left

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  • MattPro
    E30 Addict
    • Dec 2010
    • 502

    #1

    Vibration/Grinding? at highway speed, goes away when turning left

    I'm trying to diagnose a weird vibration issue with my vert and could use some help.

    The problem:
    Starting at around 50mph I start hearing a sound that gets louder with speed. The best way I can describe it is as a tire sound, it sounds like the sound your tires make when you go over certain patches of highway, but much louder. It is almost like a grinding but I'm hesitant to say that.
    I can feel a vibration in the steering wheel but it's nothing terrible.

    The weirdest part is that if I turn left on the highway, there's a certain steering angle that if I hit in the turn it will completely stop. Once the steering wheel reaches that point, the noise instantly cuts out and the vibration goes away as long as I stay past it. When I return to that point to come out of the turn it instantly kicks back in again.

    I've been able to search for other threads with issues like mine but I haven't found anyone who has described the steering behavior. I'm hoping this will point to something obvious that I don't know about.

    Thanks
    Thanks,
    Matt

    Check out my BMW Fault Code Index
    '89 Turbo M20 Zinno Cabrio (scrapped)
    '89 Zinno IX (sold)
    '91 Granit Turbo S52 Sedan (scrapped)
    '91 WIP (scrapped)
    '13 F10 Carbon Black 550iX MSport
    '91 iX Sedan
  • Pdxseth
    No R3VLimiter
    • May 2012
    • 3124

    #2
    Maybe a wheel bearing or a broken belt in a tire.

    Comment

    • Brezzi
      E30 Mastermind
      • Jan 2010
      • 1630

      #3
      See what rotating your tires around does. it sounds like its more than that but you will at least rule out bent/out of balance wheel/tire issues.

      Comment

      • MattPro
        E30 Addict
        • Dec 2010
        • 502

        #4
        Thanks for the suggestions.
        If anyone searches and comes to this thread sadly my car was hit by a dump truck yesterday so I probably won't be able to find out what it was it for a while if at all ever so sorry to be no use.
        Thanks,
        Matt

        Check out my BMW Fault Code Index
        '89 Turbo M20 Zinno Cabrio (scrapped)
        '89 Zinno IX (sold)
        '91 Granit Turbo S52 Sedan (scrapped)
        '91 WIP (scrapped)
        '13 F10 Carbon Black 550iX MSport
        '91 iX Sedan

        Comment

        • dnguyen1963
          R3VLimited
          • Nov 2011
          • 2648

          #5
          so sorry for your loss!

          Comment

          • Pdxseth
            No R3VLimiter
            • May 2012
            • 3124

            #6
            Originally posted by MattPro
            Thanks for the suggestions.
            If anyone searches and comes to this thread sadly my car was hit by a dump truck yesterday so I probably won't be able to find out what it was it for a while if at all ever so sorry to be no use.
            Damn!! Pictures?

            Comment

            • Northern
              R3V Elite
              • Nov 2010
              • 5022

              #7
              For future searches, this sounds exactly like the dying ds front wheel bearing issue I'm having right now.
              Originally posted by priapism
              My girl don't know shit, but she bakes a mean cupcake.
              Originally posted by shameson
              Usually it's best not to know how much money you have into your e30

              Comment

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