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    #16
    Need a vanos harness. Plus the e34 had the ECU in the battery tray area, the E36 harness is long enough to reach the glove box. I helped a bud do a swap years ago, and he made a box for the e30 battery tray.
    john@m20guru.com
    Links:
    Transaction feedback: Here, here and here. Thanks :D

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      #17
      For brake boosters there are several options. You can modify the stock e30 booster to work, or use a modified e21 or 944 booster. The other options include the 325ix booster and even an e90 booster.

      Hopefully this helps!
      ok, probably this is next.
      to me it looks like the 944 booster is the best one to use? Opinions?

      oil pan stuff, check.

      pretty lucky i bought a whole e34 for the same price of an oil pan on ebay.

      garage looking like shit.


      Whordur by jet jones, on Flickr

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        #18
        All gears felt like shit.
        5th gear did not return to center.
        Detent kit fixed all.


        Also got a obd2 harness from an auto,
        so i just cut those wires off that go down to the tranny.
        have to figure out which i should use and what wires to cut ect.

        Detantsts by jet jones, on Flickr

        Obd2 haurnses by jet jones, on Flickr

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          #19
          Got an x3 booster but reading more about it looks like i have to slot the firewall holes and still has some fitment issues?
          might not used it.
          reading more looks like the e90 one bolts on and is slightly smaller. probably will use the e90 one.


          Small stuff by jet jones, on Flickr

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            #20
            i'm liking the e90 option much better.

            x3 = 30.7 ''
            e90 = 28''
            stock = 33.5

            e90 is about 1/2 '' smaller then the x3 and bolts on nice.

            the 944 is bigger then the x3
            but did not write it down. does not look like a good option.

            Middle one by jet jones, on Flickr
            Legos by jet jones, on Flickr

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              #21
              The only thing wrong with the E90 is that the brake lines come out the opposite side. It might be harder to hook up the lines compared to the X3.

              Comment


                #22
                Originally posted by LowR3V'in View Post
                Got an x3 booster but reading more about it looks like i have to slot the firewall holes and still has some fitment issues?
                might not used it.
                You don't need to slot man, just remove the "spacer plate" bolted onto the booster with two nuts. Then use the studs you just removed the spacer plate from, they will bolt right into the existing factory e30 firewall holes. X3 is direct bolt on no funny business. I personally found the X3 easier to install then the 944.
                Last edited by KIRIEIW; 05-04-2020, 05:29 PM.


                1992 M tech 2 Convertible - S50 Swap
                1992 e34 Touring- S50 Swap
                1992 325i-S50 Swap

                1995 e36 M3 Mugello Red - S50
                1991 325i Convertible Laguna Green (SOLD)
                1987 325i (SOLD);1992 M tech 2 Convertible (SOLD)
                1988 325i Convertible Alpine White (SOLD)
                1991
                Brilliantrot Convertible 80k Miles (SOLD)
                1992 325i Convertible Schwarz (SOLD)
                1992 318i Convertible Project-Finished (SOLD)

                Comment


                  #23
                  ^shows how much i research.
                  i thought i read some guy complaining about it having to slot and still having manifold fitment issues.

                  Comment


                    #24
                    Honestly the fitment is so close, I have had cars come in with DIY swaps and they just dented the booster and shaved a few fins off the plenum - so just pick the easiest installation.
                    john@m20guru.com
                    Links:
                    Transaction feedback: Here, here and here. Thanks :D

                    Comment


                      #25
                      Originally posted by KIRIEIW View Post

                      You don't need to slot man, just remove the "spacer plate" bolted onto the booster with two nuts. Then use the studs you just removed the spacer plate from, they will bolt right into the existing factory e30 firewall holes. X3 is direct bolt on no funny business. I personally found the X3 easier to install then the 944.
                      What about connecting the stock e30 brake lines? Line bending or adapters needed?

                      Comment


                        #26

                        Looks like both on the x3
                        Stock lines aren't in the exact location but some aggressive bending will do.
                        After unbolting the plate with the studs, it put the clevis (Clevis Mcfartland here) in the perfect spot!
                        BUT, it is too wide for the stock pin

                        So either use a nut/bolt
                        or get a custom one like this fellow here. https://www.r3vlimited.com/board/for...blow-your-mind
                        That's it for the x3.
                        X3 is pretty close to totally bolt on.
                        Good choice if no welder or grinder.

                        Close af by jet jones, on Flickr

                        Daaang by jet jones, on Flickr

                        Xgunnagiveittaya by jet jones, on Flickr




                        e90.
                        Clevis/rod is too short.
                        BUT, if u weld on the e30 clevis on top of e90 clevis, boom, that's it.
                        I had to grind maybe a mil off the perch to put it where I want it.

                        The lines you have to fk with anyway, so i'm sticking with the e90 making some new ones.
                        also you have to slice off some sound deadening because it mounts alittle flusher then x3..
                        Best 2 booster options. delete all 944 and 320 booster threads pls.

                        Clevis Mcfartland by jet jones, on Flickr
                        Last edited by LowR3V'in; 05-07-2020, 06:00 PM.

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                          #27
                          cluch tyme.

                          Comp twinsies by jet jones, on Flickr

                          Comment


                            #28
                            Originally posted by jbontke View Post

                            What about connecting the stock e30 brake lines? Line bending or adapters needed?
                            You just bend the lines slightly, I'm usually against bending things to make them fit but this was an exception.. You can see how close the lines are before being bent (LowRev'n posted that pic above). After that you just use line adapters, no need to extend the lines like the e90 requires.


                            1992 M tech 2 Convertible - S50 Swap
                            1992 e34 Touring- S50 Swap
                            1992 325i-S50 Swap

                            1995 e36 M3 Mugello Red - S50
                            1991 325i Convertible Laguna Green (SOLD)
                            1987 325i (SOLD);1992 M tech 2 Convertible (SOLD)
                            1988 325i Convertible Alpine White (SOLD)
                            1991
                            Brilliantrot Convertible 80k Miles (SOLD)
                            1992 325i Convertible Schwarz (SOLD)
                            1992 318i Convertible Project-Finished (SOLD)

                            Comment

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