rear hardline fittings question

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  • duct-tape
    Noobie
    • May 2013
    • 34

    #1

    rear hardline fittings question

    I'm replacing the rotted lines and have gotten to the back end.

    My question, the 3-way union mounted near the subframe connected to the steel line from the front... is that a Tee union or a balance/proportioning valve?
  • FLG
    No R3VLimiter
    • Sep 2011
    • 3165

    #2
    Just a tee

    Sent from my Galaxy Nexus using Tapatalk 2
    -Build http://www.r3vlimited.com/board/showthread.php?t=295277

    Comment

    • jrobie79
      R3VLimited
      • Mar 2006
      • 2521

      #3
      t-fitting...cheap from the dealer new
      1991 318is --- currently not road worthy
      1991 318i ---- 308K - retired

      Originally posted by RickSloan
      so if you didnt get it like that did you glue fuzzy oil to the entire thing?

      Comment

      • noid
        E30 Mastermind
        • Feb 2008
        • 1529

        #4
        Its a T, I hope your making bubble flares and using bubble flare unions.
        Your resource to do-it-yourself and interesting bmw and e30 stuff: www.rtsauto.com

        Your resource to tools and tips: www.rtstools.com

        Comment

        • JGood
          R3V OG
          • Jan 2004
          • 7959

          #5
          Originally posted by jrobie79
          t-fitting...cheap from the dealer new
          Last I checked (last year), they were NLA.
          85 325e m60b44 6 speed / 89 535i
          e30 restoration and V8 swap
          24 Hours of Lemons e30 build

          Comment

          • Cyrix2k
            E30 Addict
            • Mar 2010
            • 593

            #6
            Originally posted by JGood
            Last I checked (last year), they were NLA.
            yeah, I tried to order one and was shot down. It's brass (?) so it doesn't rot anyway.
            1997 540i/6 - stock
            1985 325 - M50NV - Getrag 250 - 2.79 LSD - MS2/e -LC-1 - 750cc injectors - Blunttech Manifold - HX35 - AEM UEGO
            1991 318i - M50NV - Getrag 240 - 4.10 open - e36 rack - Smileys - 55w 5000k HIDs

            Comment

            • JGood
              R3V OG
              • Jan 2004
              • 7959

              #7
              Originally posted by Cyrix2k
              yeah, I tried to order one and was shot down. It's brass (?) so it doesn't rot anyway.
              Yep, usually they are salvageable. I needed one to split my front brake line, it's surprisingly difficult to find an m10x1.0 bubble flare 'T'. No car manufacturer besides BMW seems to use them.
              85 325e m60b44 6 speed / 89 535i
              e30 restoration and V8 swap
              24 Hours of Lemons e30 build

              Comment

              • Striker01
                Grease Monkey
                • Jul 2011
                • 319

                #8
                Will this work?

                3 way Tee 10mm x 1.0 female European, metric, tee DIN flare (bubble/ISO) This tee is brass Use with 3/16"/4.75mm brake line

                Comment

                • JGood
                  R3V OG
                  • Jan 2004
                  • 7959

                  #9
                  Only if you use double inverted flare tube nuts on it, won't work with factory bubble flares. It would work fine, but some people may wish to keep everything uniform on the car.
                  85 325e m60b44 6 speed / 89 535i
                  e30 restoration and V8 swap
                  24 Hours of Lemons e30 build

                  Comment

                  • Cyrix2k
                    E30 Addict
                    • Mar 2010
                    • 593

                    #10
                    Originally posted by JGood
                    Only if you use double inverted flare tube nuts on it, won't work with factory bubble flares. It would work fine, but some people may wish to keep everything uniform on the car.
                    +1. If you use that, put a tag on the fitting with a note.
                    1997 540i/6 - stock
                    1985 325 - M50NV - Getrag 250 - 2.79 LSD - MS2/e -LC-1 - 750cc injectors - Blunttech Manifold - HX35 - AEM UEGO
                    1991 318i - M50NV - Getrag 240 - 4.10 open - e36 rack - Smileys - 55w 5000k HIDs

                    Comment

                    • Striker01
                      Grease Monkey
                      • Jul 2011
                      • 319

                      #11
                      Didn't realize it was the wrong type, I thought that "(bubble/ISO)" meant it would work.

                      Comment

                      • noid
                        E30 Mastermind
                        • Feb 2008
                        • 1529

                        #12
                        Originally posted by JGood
                        Only if you use double inverted flare tube nuts on it, won't work with factory bubble flares. It would work fine, but some people may wish to keep everything uniform on the car.
                        He linked to an ISO/Bubble flare union, why would you want double flares going into your bubble flare union
                        Your resource to do-it-yourself and interesting bmw and e30 stuff: www.rtsauto.com

                        Your resource to tools and tips: www.rtstools.com

                        Comment

                        • SkiFree
                          R3VLimited
                          • Jun 2011
                          • 2766

                          #13
                          Not sure what part numbers you guys are using but I've got a bucket full of new ones out back.
                          ADAMS Autosport

                          Comment

                          • duct-tape
                            Noobie
                            • May 2013
                            • 34

                            #14
                            I appreciate ALL this. way more than I expected.

                            Since I'm replacing every inch of brake line on the car, I'll probably go with a more standard fitting.

                            Comment

                            • JGood
                              R3V OG
                              • Jan 2004
                              • 7959

                              #15
                              Originally posted by noid
                              He linked to an ISO/Bubble flare union, why would you want double flares going into your bubble flare union
                              Apologies, I confuses DIN for the inverted flare.
                              85 325e m60b44 6 speed / 89 535i
                              e30 restoration and V8 swap
                              24 Hours of Lemons e30 build

                              Comment

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