Side Loading diff. Question

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  • Eecen
    E30 Fanatic
    • Jun 2010
    • 1235
    #1

    Side Loading diff. Question

    Anyone have experience with these?


    I realize E30s didn't come with them and that I should probably be posting on an E12 or 24 site but...I don't feel like registering on one atm.



    Can someone tell me what the hell the vent/filter deal is on this diff?



    It looks like a filter off the vent that then recirculates into the fill or drain hole.

    Is this feature common?
    Tags: None
    • jlevie
      R3V OG
      • Nov 2006
      • 13530
      #2
      That does look like an oil separator. I don't think I've ever seen one like that before.
      The car makes it possible, but the driver makes it happen.
      Jim Levie, Huntsville, AL

        Comment

        • Eecen
          E30 Fanatic
          • Jun 2010
          • 1235
          #3
          Interesting.


          Forgive my ignorance but whats the purpose behind an oil separator on the diff?


          Track car only kinda thing I'm guessing?

            Comment

            • jlevie
              R3V OG
              • Nov 2006
              • 13530
              #4
              The purpose of an oil separator would be to trap oil and return it to the differential while still allowing venting of the differential. The only place I've ever seen one used has been on race cars.
              The car makes it possible, but the driver makes it happen.
              Jim Levie, Huntsville, AL

                Comment

                • Doughnut
                  E30 Modder
                  • Oct 2007
                  • 869
                  #5
                  I've seen these on trucks.

                  It's like an oil catch can for your diff.
                  ///Monstrosity. (OO≡≡[][]≡≡OO)

                  Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.

                    Comment

                    • dj01540i6sp
                      Grease Monkey
                      • Jan 2009
                      • 349
                      #6
                      It could just be a Foam separator, Helps keep air pockets out of the oil while mixing. or a small Oil cooler???

                        Comment

                        • Wanganstyle
                          R3VLimited
                          • Apr 2010
                          • 2828
                          #7
                          what chassis / vintage did this come out of?

                          also, is it a LSD unit? if you pull the cover you will be able to see. perhaps it could be to prevent foaming @ Wangan speed on autobahn, or for a larger body weight car?
                          OBD1 M54/M52TU swap as a M50b25

                          Z4 non powered steering rack fits e30



                          Euro e46 2005/6 320d 6mt gearbox into E30 with M20 hardy and beck 1985 327s engine

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