I searched - but couldn't find a great answer...

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  • psloan
    R3V OG
    • Nov 2006
    • 9815

    #1

    I searched - but couldn't find a great answer...

    I need a new tranny for my 87 is.I found a good 5 speed but it's from an E car. Will it work or no? If not - what is required to make it work?
    "We praise or find fault, depending on which of the two provides more opportunity for our powers of judgement to shine."
  • JK_E30
    E30 Addict
    • Jan 2007
    • 545

    #2
    They are both the same.

    M50B25tu

    Comment

    • 86espowa
      Banned
      • Jun 2007
      • 296

      #3
      they will work.

      all M20's use the Getrag 260, regardless of year or model.

      though some of the transmissions (late models) dont have the flywheel position sensors on the transmission bell housing.

      Comment

      • JK_E30
        E30 Addict
        • Jan 2007
        • 545

        #4
        Originally posted by 86espowa
        they will work.

        all M20's use the Getrag 260, regardless of year or model.

        though some of the transmissions (late models) dont have the flywheel position sensors on the transmission bell housing.

        Yeah my 90 didnt have the sensors.. just less shit to mess with when dropping the tranny! haha.

        M50B25tu

        Comment

        • 86espowa
          Banned
          • Jun 2007
          • 296

          #5
          That might be the only problem you encounter as i do not know where you would plug them in at if your car has them.

          Comment

          • JK_E30
            E30 Addict
            • Jan 2007
            • 545

            #6
            Originally posted by 86espowa
            That might be the only problem you encounter as i do not know where you would plug them in at if your car has them.
            If his car has them then it wouldnt be a problem he said hes getting a tranny from and "e" which is an earlier year.. meaning it would have the holes for the sensors.. not the other way around.

            M50B25tu

            Comment

            • 86espowa
              Banned
              • Jun 2007
              • 296

              #7
              If he ended up buying a late model tranny, then it would be a problem.

              the 87 325is needs those holes. i should know ;-)

              Comment

              • JK_E30
                E30 Addict
                • Jan 2007
                • 545

                #8
                Originally posted by 86espowa
                If he ended up buying a late model tranny, then it would be a problem.

                the 87 325is needs those holes. i should know ;-)
                Yeah, but he said he has lined up an early model tranny then it should have the holes. So no need to bring in the fact of holes missing in the late model trannys. ;)

                M50B25tu

                Comment

                • psloan
                  R3V OG
                  • Nov 2006
                  • 9815

                  #9
                  So, I should get the early tranny and it will bolt in no problem? The shifter is the same and everything?
                  "We praise or find fault, depending on which of the two provides more opportunity for our powers of judgement to shine."

                  Comment

                  • threlevenguy
                    E30 Enthusiast
                    • Dec 2006
                    • 1057

                    #10
                    What's up with the shifter consoles? My 85 has a weird foaminess or something wher the actual shifter sits. but my 87 has the rubber boot. Is it the same tranny just different styles of consoles?

                    Comment

                    • JK_E30
                      E30 Addict
                      • Jan 2007
                      • 545

                      #11
                      Originally posted by psloan
                      So, I should get the early tranny and it will bolt in no problem? The shifter is the same and everything?
                      Bolting on really isnt the problem, its where the two sensors plug in (lower bell housing driver side). Not too sure on all of them but the ones I have seen the early model trannys has the plug holes, but for instence on my late model the holes just look like they have been welded over..

                      I dont think it matters either way if the sensors are plugged or not... but im not positive.

                      As far as difference in the shifter lever, I am not sure, hopefully someone will post to provide us with that information.

                      But I believe that tranny you are looking at should be okay..

                      M50B25tu

                      Comment

                      • 86espowa
                        Banned
                        • Jun 2007
                        • 296

                        #12
                        the late model cars had a very sturdy aluminum console that held the pivot point of the shifter.

                        The early models got a foamy sheet metal console, that most people get rid of if they do any work to their shifter or tranny.

                        and psloan, yes it will bolt right in. no problems whatsoever.

                        and makeitrain, i was pointing out these facts for someone who might be in his situation, but considering a tranny from a late model. because i am sure not everyone knows that helpful piece of info.

                        Comment

                        • smonkbmw
                          Professor
                          • Jun 2006
                          • 4549

                          #13
                          e model trans have a different mounting bracket at the top rear of the trans. itll bolt up and mount to the car, but you HAVE to make sure the bracket is there on the e trans. if it isnt pass, cause they dont make them anymore.

                          Comment

                          • 86espowa
                            Banned
                            • Jun 2007
                            • 296

                            #14
                            A different mounting bracket for the shifter console?

                            Comment

                            • Rigmaster
                              No R3VLimiter
                              • Jul 2004
                              • 3464

                              #15
                              Originally posted by 86espowa
                              If he ended up buying a late model tranny, then it would be a problem.

                              the 87 325is needs those holes. i should know ;-)
                              The 87 is does NOT need the holes for the 2 reference sensors in the bellhousing- only eta's need those sensors.

                              To try to clarify the clutter- you can put an eta transmission in either an eta or an i of any year- there are some different size output flanges to be aware of though. Not a huge problem, you can just swap out the flange from your old tranny to the "new" one to match the driveshaft if this occurs.

                              You cannot install an "i" tranny in an eta- unless it's got the holes in the bellhousing for the 2 flywheel sensors. Many of the "i" trannies that I've seen have the casting for these holes, but they are not drilled out- if this is the case, you should be able to drill out these holes for the sensors- and I'm pretty sure you'll have to tap threads in the bolt holes that hold these sensors to the bellhousing.






                              Bret

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