Weird vibration under acceleration

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  • Brew
    No R3VLimiter
    • Oct 2003
    • 3060

    #1

    Weird vibration under acceleration

    I finally got the m50 running well yesterday and of course, promtly took it through the first three gears quickly. I'm now noticing this weird vibration that intensifies when I accelerate.
    I checked the torque of all the wheels right away, but they all checked out.
    The vibration seems worse when I'm accelerating and turning right.
    I should mention that I had the right rear axle and CV joints rebuilt just last week.

    So what you guys think?
    Think the axle they put in went bad?
    I'm also now thinking that it could be the guibo or the center support bearing.

    Thanks for any advice or ideas.
    '91 318is
    sigpic
  • Jordan
    R3V OG
    • Oct 2003
    • 12907

    #2
    Re: Weird vibration under acceleration

    Originally posted by Brew
    the guibo or the center support bearing.
    Tenured Automotive Service Professional - Avid BMW Enthusiast

    Vapor Honing & E30 ABS Pump Refurbishment Service
    https://mtechniqueabs.com/

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    • Brew
      No R3VLimiter
      • Oct 2003
      • 3060

      #3
      Re: Weird vibration under acceleration

      Originally posted by Jordan
      Originally posted by Brew
      the guibo or the center support bearing.
      Ah fuck. Maybe the angle of the driveshaft is off because of the custom tranny bracket.

      Thanks.
      '91 318is
      sigpic

      Comment

      • Brew
        No R3VLimiter
        • Oct 2003
        • 3060

        #4
        Nevermind folks. All is well. :)
        '91 318is
        sigpic

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        • kylebes1
          R3VLimited
          • May 2004
          • 2804

          #5
          did you fix it or did it go away? How is the power?

          Comment

          • Brew
            No R3VLimiter
            • Oct 2003
            • 3060

            #6
            Fixed it.
            The power's good, especially after driving my friend's eta around, but I need more. I'm going to get a chip, then eventually some m3-spec cams.
            '91 318is
            sigpic

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            • kylebes1
              R3VLimited
              • May 2004
              • 2804

              #7
              be sure to do the speed ref sensor, it is not cured by a chip btw. if you od not hook up the speed ref it will restrict you red line to 6200 instead of 6800, makes a huge difference.

              I want more power, how doesn't
              I am gonna save for brake upgrade and maybe a Sparco seat, I am more concerned about raod tracking the car than makeing haul ass in a line.

              Comment

              • Brew
                No R3VLimiter
                • Oct 2003
                • 3060

                #8
                The speed sensor is hooked up as far as I can tell. I'll have to see what the redline is tomorrow. :D

                This whole power thing is damn addictive.

                I'm probably going to end up with a boosted s50 before I'm satisfied.
                '91 318is
                sigpic

                Comment

                • Brew
                  No R3VLimiter
                  • Oct 2003
                  • 3060

                  #9
                  6500
                  '91 318is
                  sigpic

                  Comment

                  • M42Technik
                    R3V OG
                    • Dec 2003
                    • 9781

                    #10
                    How much did the project cost you altogether?
                    Reminiscing...

                    Comment

                    • Brew
                      No R3VLimiter
                      • Oct 2003
                      • 3060

                      #11
                      Originally posted by M42Tecknik
                      How much did the project cost you altogether?
                      I'm at around $2500 so far I think. I'll add it up eventually.
                      '91 318is
                      sigpic

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