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  4. 1987 325e. Eventually Boost+M50 Swap

1987 325e. Eventually Boost+M50 Swap

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  • DrLeadFootD
    DrLeadFootD
    DrLeadFoot
    wrote on last edited by
    #33

    Do the "i" head swap and keep the eta bottom end for sure!  I would highly recommend to replace the valve seals while the head is off.  Can you replace the rod bearings while the crack is still in?  If so, do that as well.

    I have a 524td manifold if you're interested.  You'll have to source some adapters to make it work.  A guy on r3v just sold some.

    I would keep the metal bumpers.  The rear sits a little higher so it is more aerodynamic because racecar.

    What are you going to do for a tune?

    15924991875a64c599885m.jpg

         @DrLeadFoot

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    • L
      L
      Laishes
      wrote on last edited by
      #34

      Going to tune on megasquirt hopefully! What's the benefit of the 524d manifold? I haven't done extensive engine work before only replaced headgaskets and done timing a few times so I'm unsure about the valve seals and bearings

      Sent from my iPhone using Tapatalk

      1 Reply Last reply
      0
      • L
        L
        Laishes
        wrote on last edited by
        #35

        DrLeadFoot said:

        Do the "i" head swap and keep the eta bottom end for sure!  I would highly recommend to replace the valve seals while the head is off.  Can you replace the rod bearings while the crack is still in?  If so, do that as well.

        I have a 524td manifold if you're interested.  You'll have to source some adapters to make it work.  A guy on r3v just sold some.

        I would keep the metal bumpers.  The rear sits a little higher so it is more aerodynamic because racecar.

        What are you going to do for a tune?

        How much are the adapters going for?

        Sent from my iPhone using Tapatalk

        1 Reply Last reply
        0
        • DrLeadFootD
          DrLeadFootD
          DrLeadFoot
          wrote on last edited by
          #36

          Laishes said:

          How much are the adapters going for?

          Sent from my iPhone using Tapatalk

          I'm not sure.  He took the post down

          15924991875a64c599885m.jpg

               @DrLeadFoot

          1 Reply Last reply
          0
          • L
            L
            Laishes
            wrote on last edited by
            #37

            DrLeadFoot said:

            I'm not sure.  He took the post down.

            The 524d manifold would be awesome if its cheap enough

            1 Reply Last reply
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            • L
              L
              Laishes
              wrote on last edited by
              #38

              Ramze46 said:

              Or cut the bumpers off and make rally bumpers with a light bar for the front I've already got ideas fort e28 which is bumperless now

              Pics of this?

              1 Reply Last reply
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              • DrLeadFootD
                DrLeadFootD
                DrLeadFoot
                wrote on last edited by
                #39

                I PM'd the guy that had the adapters for sale asking where he sourced the part.  I'll let you know what he says.

                I also sent you a PM

                15924991875a64c599885m.jpg

                     @DrLeadFoot

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                • L
                  L
                  Laishes
                  wrote on last edited by
                  #40

                  Due to the suggestions of a few forum members I think I am going to M50 swap rather than do the 2.7i conversion. The m50 swap has been covered multiple times and in reality it shouldn't be too much more work. Parts are more readily available and it will be able to handle the boost a lot better due to the fact it has twice as many valves. My bottom end also has 280k on it so I'd rather not push my limits.

                  Edit:

                  Could someone change the build title for me? :)

                  1 Reply Last reply
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                  • L
                    L
                    Laishes
                    wrote on last edited by
                    #41

                    Is this a correct parts list? what else will I need?

                    someone said:

                    m50 longblock. + all accessories (sensors, intake manifold, etc etc.). preferably non-vanos but either will work. Ideally out of a E34 525i (I need this oil pan for clearance). I don't need a transmission or exhaust; I will be reusing my Getrag 260.

                    Special transmission mounts + bracket. GunMetalGrey might sell these?

                    e36 engine mount arms with e28 535i motor mounts (should I buy these new online or?)

                    I can reuse my e30 driveshaft because I will be reusing my g260 trans?

                    late model e30 coolant expansion tank 88+

                    brake booster? or relocate?

                    http://www.e30dohc.c...e=Brake_Booster

                    E36 steering rack +???or is it necessary?

                    And some misc items:

                    325es/325is/318is:

                    Sand Beige Sport Seats (in good condition, will give more money if they are heated.)

                    E36:

                    Sand Beige Vader seats (in good condition, will give more money if they are heated.)

                    325es:

                    Red Bumper Front Valence

                    Note:I will not need the following if I got ahold of an m50 from a e34.

                    E34 525i oil pan, dipstick tube, dipstick, oil pickup tube

                    E34 525i wiring harness

                    E34 throttle cable

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                    • L
                      L
                      Laishes
                      wrote on last edited by
                      #42

                      Uhhhhhhhh... janky!!!

                      IMG1566.jpg

                      IMG1567.jpg

                      Headers from??

                      IMG1565.jpg

                      Zinnoberrot!

                      IMG1569.jpg

                      Theres my crank case breather hose? lol

                      IMG1568.jpg

                      This is supposed to be one hose...

                      IMG1564.jpg

                      Don't even know.. Don't even ask, aparently thats the window washer thingy? would explain why its not working....Ahh! rust! I'll have to have that removed in the near future.

                      IMG1563.jpg

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                      • JeffJ
                        JeffJ
                        Jeff
                        wrote on last edited by
                        #43

                        looks like the work of a ver knowledgeable previous owner. i think the radiator hose is my favorite.

                        1976 530i e12
                        1990 325ix e30
                        1992 325i e36
                        1995 740il e38
                        2001 330xi e46
                        ^More to come :)

                        1 Reply Last reply
                        1
                        • L
                          L
                          Laishes
                          wrote on last edited by
                          #44

                          Jeff said:

                          looks like the work of a ver knowledgeable previous owner. i think the radiator hose is my favorite.

                          I actually bought the car off a guy named Jeff..... He's giving you "jeffs" a bad rep man. ;)

                          He said it was an emergency fix because the hose cracked in the middle. :D  :D  :D

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                          1
                          • JeffJ
                            JeffJ
                            Jeff
                            wrote on last edited by
                            #45

                            damn jeffs always screwing things up. what is his excuse on everything else??

                            1976 530i e12
                            1990 325ix e30
                            1992 325i e36
                            1995 740il e38
                            2001 330xi e46
                            ^More to come :)

                            1 Reply Last reply
                            0
                            • L
                              L
                              Laishes
                              wrote on last edited by
                              #46

                              Jeff said:

                              damn jeffs always screwing things up. what is his excuse on everything else??

                              Didn't have time or was too lazy!

                              I picked the car up for 1400... What did I expect?!

                              Sent from my iPhone using Tapatalk

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                              • JeffJ
                                JeffJ
                                Jeff
                                wrote on last edited by
                                #47

                                still a great deal i love finding previous owner fixes for a problem they alway make me laugh

                                1976 530i e12
                                1990 325ix e30
                                1992 325i e36
                                1995 740il e38
                                2001 330xi e46
                                ^More to come :)

                                1 Reply Last reply
                                0
                                • YoungCRY
                                  YoungCRY
                                  YoungCR
                                  wrote on last edited by
                                  #48

                                  Edited the title even though I'm disappointed gonna do a crab snail build :(

                                  Chris Young
                                  BMWCCA #458972
                                  1986 528e/5  | 1994 530i/5 | 1995 540i/6 | 2013 X5 35d | 1998 C1500 Suburban | 1995 K2500 Suburban

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                                  • B
                                    B
                                    B C
                                    wrote on last edited by
                                    #49

                                    Looks like I will be the lone ranger with the only force-fed M20 around here afterall.

                                    So that PCV hose doesnt connect to the valve cover then? that would make for a massive vac. leak and cause the car to run like potatoes

                                    1 Reply Last reply
                                    0
                                    • L
                                      L
                                      Laishes
                                      wrote on last edited by
                                      #50

                                      Snap said:

                                      Looks like I will be the lone ranger with the only force-fed M20 around here afterall.

                                      So that PCV hose doesnt connect to the valve cover then? that would make for a massive vac. leak and cause the car to run like potatoes 

                                      I'm sorry snap :( I just don't think its worth it to do the head swap when I could probably source the m50+parts for only a couple hundred more

                                      I don't know where that hose goes to I'll go take a look right now

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                                      0
                                      • B
                                        B
                                        B C
                                        wrote on last edited by
                                        #51

                                        M20

                                        1 Reply Last reply
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                                        • JeffJ
                                          JeffJ
                                          Jeff
                                          wrote on last edited by
                                          #52

                                          Snap said:

                                          M20

                                          snaps car^

                                          1976 530i e12
                                          1990 325ix e30
                                          1992 325i e36
                                          1995 740il e38
                                          2001 330xi e46
                                          ^More to come :)

                                          1 Reply Last reply
                                          0

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