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    Heater thermostat....

    WTF? Seriously?

    So, we're putting Stonesam23's 2.7 stroker in ('89 325is) and getting all the heater hoses hooked up, etc.

    ...and we come upon the heater thermostat.

    WTFisthisshit? (Numero eighto).



    Seriously, this is the only car I've ever seen this thing on. Can't find a good diagram of how this thing is to be orientated.

    Looking into my dad's '90 325i 'vert (for reference) and there isn't one of these suckers, I replaced all the hoses a few months back and there never was one.

    Pretty much, how does the above pic tie into the following two pics:




    Thanks bunches!

    Slammin'
    1974.5 Jensen Healey : 2003 330i/5

    #2
    Heater t-stat were installed in some very early models to prevent the heater core from exploding. I am pretty sure that many drivers deleted the t-stat without experiencing any problem.

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      #3
      I have deleted it on every car possible. :)
      BimmerHeads
      Classic BMW Specialists
      Santa Clarita, CA

      www.BimmerHeads.com

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        #4
        Ya only a few cars had that i believe. It was supposed to help the car heat up faster but I believe they were recalled or something because the by pass line would always close up.

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          #5
          Originally posted by dnguyen1963 View Post
          Heater t-stat were installed in some very early models to prevent the heater core from exploding. I am pretty sure that many drivers deleted the t-stat without experiencing any problem.
          Originally posted by MR 325 View Post
          I have deleted it on every car possible. :)
          Originally posted by nomansland92 View Post
          Ya only a few cars had that i believe. It was supposed to help the car heat up faster but I believe they were recalled or something because the by pass line would always close up.

          Sent from my ADR6300 using Tapatalk
          Awesome. Exactly what I wanted to hear.

          Going in the garbage tonight.
          1974.5 Jensen Healey : 2003 330i/5

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            #6
            Remove it but dont chuck it quite yet. I tried and then the heat stopped working. Plugged it back in and the heat worked fine. Thermostat and heater valve were both good, and I even swapped both with other known good parts to figure it out. I don't know why and don't care. Little bugger can stay if it makes the heat work.

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