E30 Driveshaft

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  • Kwanzi30Boy
    Noobie
    • Jun 2023
    • 4

    #1

    E30 Driveshaft

    Got A M20 With A 5speed From A 525i
    and A Driveshaft From A Manual E30
    I Got The Engine Got The Engine In And Now I’ve Run
    Into A Problem The Flange From The Transmission Doesn’t
    Match The Drive Shaft. What I Do?
  • Panici
    Moderator
    • Dec 2009
    • 2311

    #2
    Do you have any pictures of the flange and driveshafts?

    I know there were both small and big Giubo driveshafts made depending on model/year.

    '87 BMW E30 325is Turbo

    '99 BMW E36 M3 - - - '98 BMW E36 328i

    Comment

    • bangn
      Mod Crazy
      • Sep 2011
      • 760

      #3
      I assume you know there is a rubber donut "Giubo" between the tailshaft and transmission? There are a couple types of gearbox output flanges depending on year which suit the corresponding giubo.. from memory the E34 5 series had a larger flange. What's the bolt spacing measurement on your gearbox flange?

      Basically you will need to either source the gearbox flange to suit your shaft (best option) OR get the tailshaft from the 5 series and have the flange transferred onto the e30 tailshaft you have. (which will be a fair bit of money as the shaft will then need to be balanced)

      You will need a deep thinwall socket to get the nut off off that flange, idealy with a rattle gun as they can be a jerk to remove. Not bad if you have power/airtools tho.
      Boris - 89 E30 325i
      84- E30 323i

      Comment

      • McGyver
        R3V Elite
        • Jun 2009
        • 4437

        #4
        Looks like OP got their answer!

        When I m30 swapped my car, I had to transfer smaller transmission output shaft flange onto the g265 so that I could use my stock e30 driveshaft. You're going to need an air or heavy duty electric impact to break the nut free.
        sigpic
        1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
        1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
        1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]

        Comment

        • Kwanzi30Boy
          Noobie
          • Jun 2023
          • 4

          #5
          I’m Waiting On My Mechanic To Get Back To Me With Pics And Measurements

          Comment

          • Kwanzi30Boy
            Noobie
            • Jun 2023
            • 4

            #6
            Originally posted by McGyver
            Looks like OP got their answer!

            When I m30 swapped my car, I had to transfer smaller transmission output shaft flange onto the g265 so that I could use my stock e30 driveshaft. You're going to need an air or heavy duty electric impact to break the nut free.
            Do You Remember The Size Flange You Got For It?

            Comment

            • McGyver
              R3V Elite
              • Jun 2009
              • 4437

              #7
              Originally posted by Kwanzi30Boy

              Do You Remember The Size Flange You Got For It?
              Sorry, no clue
              sigpic
              1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
              1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
              1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]

              Comment

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