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  4. (Almost) Everything You Wanted to Know About Automatic Transmissions

(Almost) Everything You Wanted to Know About Automatic Transmissions

Scheduled Pinned Locked Moved BMW Discussion
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  • need4speed1299N
    need4speed1299N
    need4speed1299
    wrote on last edited by
    #1

    From the BMWblog.com

    http://www.bmwblog.com/2011/02/11/almost-everything-you-wanted-to-know-about-automatic-transmissions-but-were-afraid-to-ask/

    Posted Image

    Posted Image

    I found this very interesting and thought I would share. I understood the general concept, but this really goes into depth, especially with the videos. :P

    sig3zps7bd08024.png

    1 Reply Last reply
    0
    • straight6pwrS
      straight6pwrS
      straight6pwr
      wrote on last edited by
      #2

      i almost bought an e30 auto tranny so i could cross section it and display it like those pictures you posted. then i realized it would be too much work. thanks for sharing!

      Dan
      yajsYRL.jpg.e5f350b4dfe961d76ac8b32efce2e1a6.jpg

      1 Reply Last reply
      0
      • GunMetalGreyG
        GunMetalGreyG
        GunMetalGrey
        wrote on last edited by
        #3

        I didn't want to know any of this. Why did I read it?

        ...

        1 Reply Last reply
        0
        • jc43089J
          jc43089J
          jc43089
          wrote on last edited by
          #4

          Automatic transmission is from the devil.  We should not link to the underworld on our site.  :D

          I have a 4hp22 if anyone wants it, free for the taking, get it out of my garage.

          2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
          3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
          '89 325i Vert, Alpine White: 5spd swapped, sold.

          '04 Toyota Sienna: 24V to 24V swap in progress

          '05 Volvo V70R, 6spd.  200k
          '85 Toyota LandCruiser: Lifted, gas hog. 205k
          '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

          1 Reply Last reply
          1
          • YoungCRY
            YoungCRY
            YoungCR
            wrote on last edited by
            #5

            jc43089 said:

            I have a 4hp22 if anyone wants it, free for the taking, get it out of my garage.

            Might as well make an end table out of it.

            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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            0
            • jc43089J
              jc43089J
              jc43089
              wrote on last edited by
              #6

              CYoung said:

              Might as well make an end table out of it.

              Could be dangerous, always in the wrong gear and it might spill a precious bubbly beverage with a poorly timed shift.

              2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
              3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
              '89 325i Vert, Alpine White: 5spd swapped, sold.

              '04 Toyota Sienna: 24V to 24V swap in progress

              '05 Volvo V70R, 6spd.  200k
              '85 Toyota LandCruiser: Lifted, gas hog. 205k
              '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

              1 Reply Last reply
              0
              • jockhater2J
                jockhater2J
                jockhater2
                wrote on last edited by
                #7

                jc43089 said:

                Automatic transmission is from the devil.  We should not link to the underworld on our site.  :D

                I have a 4hp22 if anyone wants it, free for the taking, get it out of my garage.

                I used to always think automatics were junk. And compared to manuals they definitely are.

                But a lot of them suck because lack of maintenance.

                My g/f has a chrysler sebring that she got for free. She got it was 201,000miles. The guy owned a jaguar and a s2000.

                Her car has the dreaded 2.7 that is known for short life due to oil sludge.

                Well. She now has 234,000 miles on the same engine and transmission with no issues. And in the the 4 years that she has owned it. She has put maybe $1000 worth of labor/parts into it.

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                0
                • jc43089J
                  jc43089J
                  jc43089
                  wrote on last edited by
                  #8

                  I'm just joking around, I prefer manuals but I realize they are not for everyone.  Also you can't argue with free.

                  2/94 325i Sedan, Arctic Gray: UUC LTW FW, EVO 3 and DSSR, +.020 Maxsil pistons, ASC delete, Eibach shocks/springs, 16" contour reps 238k
                  3/93 325i Coupe, Schwarz 2, Sketchy stance action, ebay turbo, 300k
                  '89 325i Vert, Alpine White: 5spd swapped, sold.

                  '04 Toyota Sienna: 24V to 24V swap in progress

                  '05 Volvo V70R, 6spd.  200k
                  '85 Toyota LandCruiser: Lifted, gas hog. 205k
                  '99 Nissan Maxima: 5spd, Rusty but trusty winter beater. 252k RIP.

                  1 Reply Last reply
                  0
                  • jockhater2J
                    jockhater2J
                    jockhater2
                    wrote on last edited by
                    #9

                    jc43089 said:

                    I'm just joking around, I prefer manuals but I realize they are not for everyone.  Also you can't argue with free.

                    I know you were. I prefer manuals too. Hell. I even prefer manual seats and windows. Less shit breaks then.

                    I was just saying. Most car parts that break. Are because of lack of maintenance. I know probably 5 people who have well over 100,000 miles and have never changed their tranni fluid because they think that it is "bad" to change it.

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                    0

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