What do these two buttons do?

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  • 90pioneer
    Member
    • Jul 2011
    • 78
    #1

    What do these two buttons do?

    91 318i...

    first one is on the factory key, round button in the middle of the key. Obviously the battery is dead in the key, but what did it originally do?

    Second one, is above the driver side window switches. A square button. I'm not talking about the rectangular shaped window breaker switch. The little square one is on the opposite side of where the window breaker switch is. What does this do? I can't figure it out...
    Tags: None
    • McGyver
      R3V Elite
      • Jun 2009
      • 4461
      #2
      the round button turns on the light in the key. your battery/light is probably dead.

      the square one shuts off power to the rear windows so kids cant play with them. so you have a 4 door eh? (i put on in my vert to power the antenna so i dont have to listen to it whistle when im driving and listening to pandora)
      sigpic
      1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
      1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
      1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]

        Comment

        • 90pioneer
          Member
          • Jul 2011
          • 78
          #3
          Originally posted by McGyver
          the round button turns on the light in the key. your battery/light is probably dead.

          the square one shuts off power to the rear windows so kids cant play with them. so you have a 4 door eh? (i put on in my vert to power the antenna so i dont have to listen to it whistle when im driving and listening to pandora)
          I do...

          And I also think I have four out of six window switches that are bad....


          Also why would they bother to put that little square switch there when there is already another button that shuts off the windows?

            Comment

            • spike68
              E30 Enthusiast
              • Apr 2009
              • 1185
              #4
              Originally posted by McGyver
              i put on in my vert to power the antenna so i dont have to listen to it whistle when im driving and listening to pandora
              Fucking genius.
              I don't even own this car anymore, but I'm too lazy to change the picture.

                Comment

                • McGyver
                  R3V Elite
                  • Jun 2009
                  • 4461
                  #5
                  Originally posted by 90pioneer
                  I do...

                  And I also think I have four out of six window switches that are bad....


                  Also why would they bother to put that little square switch there when there is already another button that shuts off the windows?
                  the breaker is for if the window is jammed so the motor doesnt burn out. the square button still lets the front two windows work.

                  Originally posted by spike68
                  Fucking genius.
                  thanks, i HATED that high pitched whistle. and it was pretty easy to make the setup look stock. i believe that its one of the white wires that you want to cut and but the switch in the middle of.
                  sigpic
                  1987 - 325i Convertible Delphin Auto [SOLD], 325i Convertible Delphin Manual [SOLD]
                  1989 - 325i Convertible Bronzit m30b35 swapped [SCRAPPED], 325i Sedan Alpine Auto[DD]
                  1991 - 325i Coupe Laguna Manual [Project], 535i Sedan Alpine [SCRAPPED]

                    Comment

                    • u3b3rg33k
                      R3VLimited
                      • Jan 2010
                      • 2452
                      #6
                      The "dead" window switches probably just need to be taken apart and cleaned up. Try it - it's not too hard, and they work afterwards.

                      Ich gehöre nicht zur Baader-Meinhof Gruppe
                      Originally posted by Top Gear
                      Just imagine waking up and remembering you're Mexican.

                      Every time you buy a car with DSC/ESC, Jesus kills a baby seal. With a kitten.

                        Comment

                        • 90pioneer
                          Member
                          • Jul 2011
                          • 78
                          #7
                          Originally posted by u3b3rg33k
                          The "dead" window switches probably just need to be taken apart and cleaned up. Try it - it's not too hard, and they work afterwards.

                          how do you take them a part?

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