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    Radiator fan switch

    Has anyone here upgraded their radiator fan switch from the 91 degree to the 82 degree? I was wondering if it was really worth it and if it would be necessary.

    Currently my low fan switch does not work and I am planning on autocrossing my car this summer=possible overheating. Should I just go with the stock 91 degree or the lower temp?

    Also, should I keep my 99 degree or get a lower temp for that too?
    1985 325e - 5000 RPM's of Fury

    #2
    So nobody has ever been involved with this issue? I'm just looking for a quick answer because its starting to get hot out and my car isn't liking stop-and-go traffic.
    1985 325e - 5000 RPM's of Fury

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      #3
      The aux fan has two different kinds of switches? :shock:

      I need to change mine. I will probably put in the lower one, thanks for letting me know the options.

      Sold it.

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        #4
        not a problem
        1985 325e - 5000 RPM's of Fury

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          #5
          You can also run the 318ti switch which I think is 80/88. This is what I have in mine.

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            #6
            Originally posted by NickP
            You can also run the 318ti switch which I think is 80/88. This is what I have in mine.
            With that setup does your fan run constantly? If so, do you notice your alternator pulling more power from your engine?
            1985 325e - 5000 RPM's of Fury

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              #7
              to keep this thing from going up to 3/4 on the water temp needle is there a way to plug the high speed wire to the lower of the two temp switches so it doesnt get so hot?

              how hot is 3/4 of the way on the water temp?

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                #8
                3/4

                So there is a way to keep it from going 3/4?

                It is getting to 80's here, and having to ride with heat on sux. I really need to dig into this...

                Aux fan never comes on on my 88.
                88 325is FOR SALE
                89 325i FOR SALE
                95 LR Disco
                98 Volvo V70XC -FS!
                25' of oil-stained driveway
                Travel Kit:
                M4, FS 92, Mk19, 998

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