M20 IX Getrag vs i Getrag

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  • zaq123
    E30 Fanatic
    • Jul 2016
    • 1476
    #1

    M20 IX Getrag vs i Getrag

    IX Getrag has the rear transmission case portion for the transfer case mounting. Will it still bolt up to i M20 if the output flange is swapped from i Getrag? Do both of them have support tabs at the same location? I know IX has a different support bracket and its location for there transfer case support but it looks like there are 2 tabs on the rear transmission case. Are they at the same location as i support bracket?



    Last edited by zaq123; 05-23-2026, 04:46 AM.
    Tags: None
    • 82eye
      E30 Mastermind
      • Jan 2009
      • 1982
      #2
      not sure exactly what you need to know. i can confirm an i m20 engine swaps into an ix and is the same. my friend had to replace the engine in his ix about 8yrs ago.

        Comment

        • zaq123
          E30 Fanatic
          • Jul 2016
          • 1476
          #3
          Originally posted by 82eye
          not sure exactly what you need to know. i can confirm an i m20 engine swaps into an ix and is the same. my friend had to replace the engine in his ix about 8yrs ago.
          was asking if ix manual transmission will bolt up to i and work with i driveshaft and i transmission mounting bracket

            Comment

            • litu
              E30 Modder
              • Jan 2012
              • 833
              #4
              Originally posted by 82eye
              not sure exactly what you need to know. i can confirm an i m20 engine swaps into an ix and is the same. my friend had to replace the engine in his ix about 8yrs ago.
              Wait what...M20 engine from RWD is same...Now i need more info, when oil pump spins other direction, engine mount bolt holes are different size, also oil dip stick points little off side, then ix, but that is not issue to fix, also oil pan bolt holes are not same spot, what i have seen you need some space between RWD block to ix oil pan...When so many has saying RWD m20 is not bolt on to ix.


              Originally posted by zaq123

              was asking if ix manual transmission will bolt up to i and work with i driveshaft and i transmission mounting bracket
              To me yes, here is my e30ix, it has those "ears" where maybe rwd transmission arm/bushing mount, cannot say 100% sure, but you can change that rear end on gearbox from rwd to id trans..Also to me that driveshaft flange is different ix vs rwd

              Attached Files
              https://www.facebook.com/Cry_77_IX-110483784967661
              https://www.instagram.com/cry_77_ix/

                Comment

                • zaq123
                  E30 Fanatic
                  • Jul 2016
                  • 1476
                  #5
                  Originally posted by litu
                  Wait what...M20 engine from RWD is same...Now i need more info, when oil pump spins other direction, engine mount bolt holes are different size, also oil dip stick points little off side, then ix, but that is not issue to fix, also oil pan bolt holes are not same spot, what i have seen you need some space between RWD block to ix oil pan...When so many has saying RWD m20 is not bolt on to ix.



                  To me yes, here is my e30ix, it has those "ears" where maybe rwd transmission arm/bushing mount, cannot say 100% sure, but you can change that rear end on gearbox from rwd to id trans..Also to me that driveshaft flange is different ix vs rwd
                  yeah driveshaft flange is different, IX is studded one and a different bolt circle as it mounts to the transfer case. But looks like output shafts are the same so RWD flange should bolt right up.

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