how to set aux fan high???

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  • immajackuup
    E30 Enthusiast
    • Dec 2010
    • 1132

    #1

    how to set aux fan high???

    is there a way to set aux fan high when using a/c????
  • KenC
    King of Kegstands
    • Oct 2003
    • 14396

    #2
    It's always on high when a/c is on.
    Originally posted by Gruelius
    and i do not know what bugg brakes are.

    Comment

    • achtunge30
      E30 Enthusiast
      • Apr 2006
      • 1029

      #3
      Interesting - I thought a/c on = low speed aux fan
      good to know!
      - Frank
      '87 325ic M-Tech 1 For Sale!
      http://r3vlimited.com/board/showthread.php?t=407503
      Build Thread http://www.r3vlimited.com/board/showthread.php?t=229347

      Comment

      • immajackuup
        E30 Enthusiast
        • Dec 2010
        • 1132

        #4
        Originally posted by KenC
        It's always on high when a/c is on.
        really? I'm for sure is low because when my temp gauge needle go over half mark the high would kick on.

        Comment

        • bmwm42
          R3V OG
          • Nov 2010
          • 6300

          #5
          Originally posted by KenC
          It's always on high when a/c is on.
          Not true when you turn on the ac it turns it on low it will only come on high if it reaches the temp setting or you jump the wiring
          Originally posted by bmwm42
          PNW vulture pm me for parts
          Strategic nw e30 command

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          • immajackuup
            E30 Enthusiast
            • Dec 2010
            • 1132

            #6
            Originally posted by bmwm42
            Not true when you turn on the ac it turns it on low it will only come on high if it reaches the temp setting or you jump the wiring
            in which i want it to be high instead of low. damn a/c high is at 400 :{

            Comment

            • KenC
              King of Kegstands
              • Oct 2003
              • 14396

              #7
              Hmmm. I guess I was misinformed.

              I have my electric puller come on when the a/c kicks on too. You can feel the vacuum through the front grille.
              Originally posted by Gruelius
              and i do not know what bugg brakes are.

              Comment

              • immajackuup
                E30 Enthusiast
                • Dec 2010
                • 1132

                #8
                got it fix by putting clutch fan back on :}

                Comment

                • scottinAZ
                  E30 Fanatic
                  • Dec 2009
                  • 1312

                  #9
                  best way to get the fan on high speed full time is to jump out the fan at the resistor (connect all wires on the resistor to one side, effectively just using the resistor as a junction block, and then replacing the low speed fuse with a 30 amp one (same as the high speed relay)
                  I saved 15% on my Bimmer parts by switching to ...



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                  • immajackuup
                    E30 Enthusiast
                    • Dec 2010
                    • 1132

                    #10
                    Originally posted by scottinAZ
                    best way to get the fan on high speed full time is to jump out the fan at the resistor (connect all wires on the resistor to one side, effectively just using the resistor as a junction block, and then replacing the low speed fuse with a 30 amp one (same as the high speed relay)
                    I was thinking the same thing.

                    Comment

                    • Disco Benny
                      Advanced Member
                      • Aug 2011
                      • 123

                      #11
                      what abotu replacing the high speed switch to a lower temp?

                      My needle jumps between 1/2 to 3/4 while city driving yet at idle it will calm back down to 1/2...I never hear my high speed fan on although the normal speed works as intended

                      NOTE: I already tested my fan with the key ON...it works, just never comes on

                      NOTE: I also have to keep hitting my cluster to make sure where my needle is bc is starts being wacky with the temp rising and my idle jumps to 1500-2000

                      NOTE: Replaced temp gauge switch and Coolant Temp Sensor...

                      Maybe the Temp Switch (2 prong guy) needs to be replaced?

                      Comment

                      • immajackuup
                        E30 Enthusiast
                        • Dec 2010
                        • 1132

                        #12
                        all i did is cut resistor off then rewire back,change fuse 15amp to 30amp and now is running high at all time at low/high temp. Also using e36 lower temp.

                        Comment

                        • g.ruff561
                          E30 Fanatic
                          • Mar 2009
                          • 1261

                          #13
                          ^^^^^^^ This................I live in Florida and it works great. R134 ice cold.

                          Comment

                          • rcfanatic
                            E30 Addict
                            • Feb 2009
                            • 490

                            #14
                            Originally posted by immajackuup
                            all i did is cut resistor off then rewire back,change fuse 15amp to 30amp and now is running high at all time at low/high temp. Also using e36 lower temp.

                            What do you mean using e36 lower temp?
                            sigpic

                            Comment

                            • nando
                              Moderator
                              • Nov 2003
                              • 34827

                              #15
                              E36 M42 thermoswitch, turns on at 80/88c instead of 90/99c (low/high). normally you wire it so the low temp activates the high speed setting.
                              Build thread

                              Bimmerlabs

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