Is this normal for new engine mounts?

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  • eight-0-eight
    Noobie
    • Aug 2020
    • 27

    #1

    Is this normal for new engine mounts?

    Hi all,
    So I just got my M20 back in after a mild rebuild. It took a bit of wrestling but I got the mount bolts to go into the brackets. But now looking at it, I'm a bit worried that these mounts are really angled and something is wrong.

    They are new mounts so hoping you all say that this is normal and they will just settle in after a bit ...😬
    Attached Files
  • 82eye
    E30 Mastermind
    • Jan 2009
    • 1974

    #2
    the engine angle looks right to me.

    Comment

    • eight-0-eight
      Noobie
      • Aug 2020
      • 27

      #3
      Ah sorry, should have been clearer. It might be hard to see in the pics but I meant the angle or rather the shape of the mount. It's not being compressed perfectly vertical, it looks to me like it's being compressed diagonally a bit. Hopefully that's normal ...?Click image for larger version  Name:	PXL_20260426_044200572~2.jpg Views:	0 Size:	163.6 KB ID:	10160181
      Attached Files

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      • 82eye
        E30 Mastermind
        • Jan 2009
        • 1974

        #4
        i'm not sure you can even install them incorrect as long as the dimple is in the right spot.

        Comment

        • eight-0-eight
          Noobie
          • Aug 2020
          • 27

          #5
          Cool, thank you! That's what I figured... Just looks weird and didn't want to put everything back and then find out I need to pull the mounts out again.

          Comment

          • digger
            R3V OG
            • Nov 2005
            • 6072

            #6
            They are inclined hence they are in some shear by design
            89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

            new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

            Comment

            • R3vTechnic
              Noobie
              • Jul 2025
              • 8

              #7
              Those are in the wrong hole, the studs go in the round mounting hole, and the anti-rotation pin goes in the slotted hole. I your picture they are right up against the frame rail and there should be a 20ish mm gap.
              Click image for larger version

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              • eight-0-eight
                Noobie
                • Aug 2020
                • 27

                #8
                Originally posted by R3vTechnic
                Those are in the wrong hole, the studs go in the round mounting hole, and the anti-rotation pin goes in the slotted hole. I your picture they are right up against the frame rail and there should be a 20ish mm gap.
                Click image for larger version  Name:	e30 subframe.jpg Views:	11 Size:	90.4 KB ID:	10160353Click image for larger version  Name:	e30 motor mount.png Views:	11 Size:	180.1 KB ID:	10160354
                Thank you! That's exactly what happened. Yes, I'm an idiot and was so sure that I had it correctly before. 🤦
                I actually found that out late last night and got them flipped and now they look normal. MUCH easier to get them aligned with the brackets attached to the block now that they are in their proper orientation 😅
                Last edited by eight-0-eight; 04-29-2026, 12:46 PM.

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                • TobyB
                  R3V Elite
                  • Oct 2011
                  • 5239

                  #9
                  Originally posted by R3vTechnic
                  Those are in the wrong hole

                  Now, THAT'S the old R3v we know and love! OP, how was it for you?

                  t
                  things have gotten more accepting in the last quarter century, certainly.
                  now, sometimes I just mess with people. It's more entertaining that way. george graves

                  Comment

                  • Maybe Magpie
                    Advanced Member
                    • Apr 2020
                    • 115

                    #10
                    I actually did my mounts earlier today and had to double check the orientation (thankfully before I fastened it all down). For anyone in the future reading this, the easy way to remember is the locator indexer tab dowel thingamajigs go on the exterior side of the mount, i.e. toward the outside of the car.
                    i'm in love with german cars // gliding past me on the autobahn​

                    stainless idols with silent hearts // never turning as we drift apart ♫ ​

                    Comment

                    • zaq123
                      E30 Fanatic
                      • Jul 2016
                      • 1460

                      #11
                      Should have done reinforcement plates there while at it. They have access hole you put the wrench socket from the other side of the subframe to bolt the mount is centered for the round hole only lol.

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