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Bad vibration, what could it be?

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    Bad vibration, what could it be?

    It only happens between 2600 and 3100 rpms and only in 1st gear, I was thinking guibo, but then my transmission mounts gave and the tranny is 3 inches lower than its supposed to be. Any ideas on what it could be?

    #2
    Originally posted by E30Kohl View Post
    but then my transmission mounts gave and the tranny is 3 inches lower than its supposed to be.
    uhm, maybe that?
    Build thread

    Bimmerlabs

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      #3
      Originally posted by nando View Post
      uhm, maybe that?

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        #4
        Haha, it had the vibration a couple weeks before the transmission actually fell, I haven't driven it since then.

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          #5
          Do the trans mounts and see what happens, they are cheap and easy.
          I'm Not Right in the Head | Random Rants and other Nonsense1st Order Logic Failure: Association fallacy, this type of fallacy can be expressed as (∃xS : φ(x)) → (∀xS : φ(x)), meaning "if there exists any x in the set S so that a property φ is true for x, then for all x in S the property φ must be true".

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            #6
            Originally posted by Liam View Post
            Do the trans mounts and see what happens, they are cheap and easy.
            Nothing is easy for Kohl

            1987 PRO-3 car /1990 325is (2.7i Concours)

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              #7
              your starter wiring is backwards and everytime your in first between 2600 and 3100 rpms it hyper grounds your electrical system and causes it to run your starter in reverse. thus spinning your transmission in the tunnel making a thud against your floorpan.

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                #8
                Originally posted by Jesse30 View Post
                your starter wiring is backwards and everytime your in first between 2600 and 3100 rpms it hyper grounds your electrical system and causes it to run your starter in reverse. thus spinning your transmission in the tunnel making a thud against your floorpan.
                Very convincing story. Had to read it twice and might possibly read again.
                turk@gutenparts.com

                Originally posted by Janderson
                Properly placed zip ties will hold bridges together.

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