a/c switch only works on 4

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  • dannycam
    Noobie
    • Jan 2009
    • 4
    #1

    a/c switch only works on 4

    any suggestions on how to fix this? itll only heat/cool on 4 and the other 3 are just quiet...so its either get hot as hell and then turn off or bust lol

    thanks guys
    Tags: None
    • Jean
      Moderator
      • Aug 2006
      • 18228
      #2
      blower fan resistor or switch.
      Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



      OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

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        • reelizmpro
          R3V OG
          • Dec 2003
          • 9465
          #3
          Try cleaning/resurfacing the contacts on the resistor coil pack. You can get to it from the engine compartment firewall.
          "I'd probably take the E30 M3 in this case just because I love that little car, and how tanky that inline 6 is." - thecj

          85 323i M TECH 1 S52 - ALPINEWEISS/SCHWARZE
          88 M3 - LACHSSILBER/SCHWARZE
          89 M3 - ALPINEWEISS II/M TECH CLOTH-ALCANTARA
          91 M TECHNIC CABRIO TURBO - MACAOBLAU/M TECH CLOTH-LEATHER

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            • bmwm42
              R3V OG
              • Nov 2010
              • 6300
              #4
              Resistor for sure
              Originally posted by bmwm42
              PNW vulture pm me for parts
              Strategic nw e30 command

                Comment

                • QUKBMER
                  R3V OG
                  • Feb 2010
                  • 8178
                  #5
                  ditto on that.;)
                  Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

                  garage queen 91 bmw 325is / 1972 Chevy El Camino 355 sbc 450hp

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