what is this ? where does it go and do I need it ?

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  • singh336
    Banned
    • Dec 2010
    • 211

    #1

    what is this ? where does it go and do I need it ?

    can't figure out what this is under the intake and where it goes

    the engine had an auto tranny so It could have something to do with that
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  • MrSlacker
    R3VLimited
    • Feb 2010
    • 2494

    #2
    Originally posted by singh336
    can't figure out what this is under the intake and where it goes

    the engine had an auto tranny so It could have something to do with that
    That goes into the stock airbox. Not sure what to do with it in a swap.
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    • gazellebeigem3
      No R3VLimiter
      • Jun 2005
      • 3712

      #3
      Its the throttle plate coolant circuit thermostat. I bypassed mine, but some people leave it.

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      • frankie591
        E30 Addict
        • Feb 2012
        • 545

        #4
        If you are keeping the throttle body heater, then either leave it hanging in the engine bay somewhere, or mount it in whatever airbox you are running/making.

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        • singh336
          Banned
          • Dec 2010
          • 211

          #5
          okay awesome thanks ! I'm buy passing the heater

          just got the motor in tonight ! was real tough but worth it

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          • NbAmTwE
            Advanced Member
            • Jul 2010
            • 148

            #6
            Originally posted by gazellebeigem3
            Its the throttle plate coolant circuit thermostat. I bypassed mine, but some people leave it.
            umm could you relay that differently. I don't understand what this is and I would really like to know for my swap, thanks.
            UNDER CONSTRUCTION - 24v 325e (future DD), DD 525i


            stripped out e30 rally project - in progress
            M50NV -> M50TU E34 swap underway

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            • singh336
              Banned
              • Dec 2010
              • 211

              #7
              i think what he means is that other end of the hose plugs into the bottom of the throttle body, and its supposed to heat up the throttle body in the winter time if its too cold.


              what i dont' know, and don't care too much .. is where that sensor plugged into, ....

              i'm going to block off and plug where the hose goes into the block. and plug it on the TB also.


              edit: oh yeah , it's mentioned above that the sensor plugs into the airbox. that makes sense.

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