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E30 shaking and rattling at anything over 50 mph or so?

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    E30 shaking and rattling at anything over 50 mph or so?

    Hey guys, I have a '90 E30 cabriolet. Just recently it started to shake violently when approaching and driving at highway speeds, so much so, I would consider it completely unsafe as a vehicle for such. This isn't the typical steering wheel rattle or common vibration that the cabriolets are known for, but something that feels far more severe. It begins slowly but then it starts to quickly escalate into what feels like is emanating from the front of the vehicle. What is spookier, is that when I begin to brake, it gets even worse. Today I had my brother record a video of it, and I was genuinely scared that something was going to snap and go awfully awry. What could it be?
    Now for quite some time now, the brackets that hold the sway bar in place having been missing. One of the mounts on the driver side has broken off, and the other one seems to be shaken on by the frequent vibrations. However, this is not the same vibration that was caused by the sway bar not being secured. That was more of a clacking, while this is more of a bassy rumbling.


    There is a video of the issue

    Unstable BMW E30 at highway speeds. Begins to rattle when doing over 55, progressively gets more and more violent, hitting the brakes only intensifies the sh...




    There is a photo of the broken mount I am referring to.

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    Thank you!

    #2
    Check your wheel and tire balancing and then out your tie rod ends, inner and outer. I have to get to this as well.

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      #3
      warped rotor can cause this as well
      tire out of balance
      tie rods
      broken control arm bushings

      Comment


        #4
        If your car shakes when you depress the brakes, no matter what speed you're traveling at, then you can pinpoint the issue at the rotors.

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