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6 bolt diff input on e30

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    #16
    The larger flange uses a larger diameter CV that will not fit into the subframe hole. The smaller E34 CV just barely fits through the subframe as-is.

    Its internal spline went straight onto my E30 iX touring rear driveshaft, but it came *off* a typical E34 driveshaft. If you are piecing together a driveshaft, you can use an E34 rear section for the spline drive since E30 touring driveshafts are not exactly growing on trees.
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      #17
      there is more information in a couple of posts earlier in the thread I linked - see #56 onward
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        #18
        Originally posted by BeirBrennerE30 View Post
        So thats an e34 CV on an e30ix driveshaft in the link you sent?
        E30 iX Touring *ONLY*. The iX sedans/coupes have a four bolt flange and a u-joint.

        Originally posted by kronus View Post
        Its internal spline went straight onto my E30 iX touring rear driveshaft, but it came *off* a typical E34 driveshaft. If you are piecing together a driveshaft, you can use an E34 rear section for the spline drive since E30 touring driveshafts are not exactly growing on trees.
        Interesting bit of trivia... good on BMW for keeping common splines.

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          #19
          Originally posted by kronus View Post
          The larger flange uses a larger diameter CV that will not fit into the subframe hole. The smaller E34 CV just barely fits through the subframe as-is.

          Its internal spline went straight onto my E30 iX touring rear driveshaft, but it came *off* a typical E34 driveshaft. If you are piecing together a driveshaft, you can use an E34 rear section for the spline drive since E30 touring driveshafts are not exactly growing on trees.
          Do you remember the part number for that e34 CV? 26 11 1 226 881??
          e30sport.net
          '15 Porsche GT3 - 7-speed PDK - Daily Driver
          '86 325es - s54b32tu - 6-speed - Mtech 1
          '89 325is - m20b25 - 5-speed - Individual

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            #20
            Originally posted by BeirBrennerE30 View Post
            Do you remember the part number for that e34 CV? 26 11 1 226 881??
            I don't *remember* it, because that would be ridiculous. I did take a photo, though -



            that appears to be a Lobro number though, not BMW. it came out of an 89 535i, if that helps.
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              #21
              Originally posted by kronus View Post
              I don't *remember* it, because that would be ridiculous. I did take a photo, though -
              Lol you don't keep a spreadsheet with parts used?

              For a pre 9/90 525i it looks like you would have been using: 26 11 1 226 881, 80mm bolt circle with 8mm bolts, 24tooth spline. That fits flange "B" from the photo above. The e30ix touring apparently has the same bolt pattern but you cant buy the CV separately it seems.

              Post 9/90 the e34 525 switched to 26 11 1 229 075, 86mm bolt circle with 10mm bolts, 25tooth spline. that fits flange "A" from the photo above. This is the same CV from the e36 M3, and I think the same bolt pattern but different CV part number from the e46 M3 (32tooth spline).

              I think there is only a 3-4mm radius difference between the 2.
              Last edited by BeirBrennerE30; 04-17-2019, 01:15 PM.
              e30sport.net
              '15 Porsche GT3 - 7-speed PDK - Daily Driver
              '86 325es - s54b32tu - 6-speed - Mtech 1
              '89 325is - m20b25 - 5-speed - Individual

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                #22
                yes, then 26 11 1 226 881 is the right one.

                you won't have 3mm of radius to play with in the subframe hole. I had to trim the CV boot's shield to clear the subframe without rubbing.
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