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    Transmission Replacement

    Hey guys, first post here and new to E30's, so I hope my questions aren't too stupid. I got my first car, a 1987 325i convertible that's in pretty good shape for the price I paid but it needs a new transmission.

    It has no first and second gear; the previous owner thought it was the clutch and replaced that about a year ago. Still had no first and second, so it's the synchroniser. Rebuilding the transmission is more than I can do right now, so I'm going to replace it and the slave cylinder. I found a transmission pulled out of an 1987 E28 535i.

    Specs wise it looks the same, a Getrag 260 5-speed of the same year as my E30. So I'm thinking it should be a pretty dirtect fit. But I read they might have different bell housings or different guibos, so to sum it all up, is a 1987 E28 535i tranny the same as my 1987 E30 325i tranny?

    #2
    not the same. M30 trans don't fit on M20's. You need one from another M20.
    Just a little project im working on
    - http://www.lse30.com -

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      #3
      OK thanks.

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        #4
        Will an 89 e30 one fit in correctly?

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          #5
          if it's from a 6 cylinder, just check the belhousing of your original transmission to make sure it doesn't have flywheel reference sensors on the belhousing. Being an 87, I think it should be running motronic 1.3, so it shouldn't have sensors on the belhousing. If it doesn't, then, yes, 89 will fit fine :)
          Just a little project im working on
          - http://www.lse30.com -

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            #6
            Well I went down to get the '89 today, but the shop I was going to get it from had a guy that said it probably wasn't the transmission. He said 3rd gear or reverse usually went before 1st and 2nd, so now I'm thinking it's something with the clutch. The previous owner had put a new clutch on it. Anyway, I'll have to do some research on how to trouble shoot.

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              #7
              What happens when you physically try to select 1st or 2nd? just can't push it into gear?
              Just a little project im working on
              - http://www.lse30.com -

              Comment


                #8
                There's a void where 1st and second are supposed to be. No grinding though. I have new slave cylinder I can put on soon, but I doubt that's the issue.

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                  #9
                  id be checking your shifter under the car first.
                  Just a little project im working on
                  - http://www.lse30.com -

                  Comment

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