Pulling m20b25

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  • MR 325
    Moderator
    • Oct 2003
    • 37828

    #1

    Pulling m20b25

    I'm pulling the motor on the 91 in a week or 2 and am wondering if the motor and trans can easily come out together as a whole or if it's worth it to seperate them first.

    Thanks.
    BimmerHeads
    Classic BMW Specialists
    Grover Beach, CA

    www.BimmerHeads.com
  • hella 325
    Grease Monkey
    • Sep 2004
    • 380

    #2
    I pulled my m20 as a whole no prob, remove the shift linkage from tranny. I didnt have the AC in mine not sure if the ac condenser will get in the way. (easier if you take PS pump and bracket off too)

    Russell
    1987 325is
    1992 240sx coupe
    1994 525i

    Comment

    • UNHCLL
      R3V OG
      • Oct 2003
      • 8789

      #3
      i split my engine & tranny upon removal. You could do it as one whole, but you'll have to pull the radiator and take the hood off.
      Below the radar...

      Comment

      • hella 325
        Grease Monkey
        • Sep 2004
        • 380

        #4
        Yea forgot about removing the hood. i assumed you would ull the radiator first as well... seperating can be a pain as the tranny torx bolts can be a real pain to get to....and break free...

        Russell
        1987 325is
        1992 240sx coupe
        1994 525i

        Comment

        • e30sd
          Fistee
          • Jan 2004
          • 5517

          #5
          i've done both. some say its easier to pull the motor + tranny out, but this last swap i did, i had the motor in/out in a weekend.
          sigpic

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          • bimmerlover
            E30 Addict
            • Nov 2003
            • 424

            #6
            I've found it much easier to separate the engine and tranny first.

            Comment

            • rs4pro3
              R3V Elite
              • Oct 2003
              • 5808

              #7
              If you have a good Load leveler, the Engine and tranny can be pulled as one unit. in the 5-6 I've pulled, I've seperated 4 times, cut out the front core support and pulled the engine and tranny straight out, and pulled the Engine and tranny out together then normal way.
              85 325e 2.7 ITB'd stroker

              Comment

              • MR 325
                Moderator
                • Oct 2003
                • 37828

                #8
                Well I'm thinking I will try for pulling them together, I have no problem with removing the hood or radiator from the car. We'll see, but I'm glad to know it's not impossible.

                Thanks guys.
                BimmerHeads
                Classic BMW Specialists
                Grover Beach, CA

                www.BimmerHeads.com

                Comment

                • Matto
                  E30 Modder
                  • Jan 2004
                  • 800

                  #9
                  Originally posted by MR 325
                  Well I'm thinking I will try for pulling them together, I have no problem with removing the hood or radiator from the car. We'll see, but I'm glad to know it's not impossible.

                  Thanks guys.
                  Removing the hood and radiator is cake.

                  The A/C condensor shouldn't get in the way.

                  Comment

                  • Super Eta
                    E30 Mastermind
                    • Oct 2003
                    • 1884

                    #10
                    Is it alright if i ask. Why?

                    I mean why are you taking the engine out of the 325i?

                    Comment

                    • MR 325
                      Moderator
                      • Oct 2003
                      • 37828

                      #11
                      To rebuild it. :roll:
                      BimmerHeads
                      Classic BMW Specialists
                      Grover Beach, CA

                      www.BimmerHeads.com

                      Comment

                      • BlackE30
                        Mod Crazy
                        • Sep 2004
                        • 605

                        #12
                        I just put a rebuilt m20b25 in my car. I unbolted the trans from the block which was pretty easy. The hard part was realigning the clutch/flywheel with the trans and getting it to slide into it.

                        Comment

                        • Super Eta
                          E30 Mastermind
                          • Oct 2003
                          • 1884

                          #13
                          Originally posted by MR 325
                          To rebuild it. :roll:
                          ok...right

                          from my experince of doing it both ways such as unbolting tranny and not, i ahve found pulling the engine with the tranny to be easier.

                          Goodluck either way. :up:

                          Comment

                          • MR 325
                            Moderator
                            • Oct 2003
                            • 37828

                            #14
                            Ya, I'm gonna do them together, gotta do the clutch and all that other shit too anyway.
                            BimmerHeads
                            Classic BMW Specialists
                            Grover Beach, CA

                            www.BimmerHeads.com

                            Comment

                            • george graves
                              I waste 90% of my day here and all I got was this stupid title
                              • Oct 2003
                              • 19992

                              #15
                              Do it together - those tranny bolts are a bitch - hood bolts and radiator support are so easy to remove. Plus you have a lot more room to work with the hood off.
                              Originally posted by Matt-B
                              hey does anyone know anyone who gets upset and makes electronics?

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