Thermostat delete mod

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  • iamsam
    Advanced Member
    • Jun 2008
    • 172

    #1

    Thermostat delete mod

    yeah.... so i was driving along today and realized my temp gauge steadily climbing and well on its way to the red, and i said to myself: "self, this is not good."

    So anyway i deduced that my thermostat was going bad, because my temp gauge has been doing funny things lately, but has never went this high until now.

    So being piss-ass broke, i pulled in to my driveway and just took out the thermostat, bolted everything back together, and figured that would be good enough.

    So now the temp gauge fluctuates from the quarter point to the half point as i drive. Quarter when i am on the freeway and half point in traffic.

    My question is this: Is this actually bad for the ol' M42? or will the motor make more power since it is running cooler? (cooler intake air etc)
  • s52e30m3
    Wrencher
    • Aug 2008
    • 225

    #2
    All you will get is bad gas mileage, Thermostats are cheap.

    Comment

    • Joe318is
      R3V OG
      • Sep 2005
      • 6451

      #3
      can be bad because the computer will read the temp and pump in more fuel.

      thermos are cheap, youre talking 20 bucks


      Originally posted by vlad
      Do you know anybody else who built that many bad ass E30s?

      Comment

      • Asbradley21
        E30 Mastermind
        • Jun 2008
        • 1938

        #4
        Well, its not the WORST ever, but it would be better to have a thermostat. But its not horrible to run without one. Just make sure you don't push it when its running cold like that.

        Basically, a thermostat would be best, just make sure you put one in some time.

        S54B32 swap in progress. Status: Getting There

        Comment

        • iamsam
          Advanced Member
          • Jun 2008
          • 172

          #5
          Originally posted by s52e30m3
          All you will get is bad gas mileage, Thermostats are cheap.
          Originally posted by Joe318is
          can be bad because the computer will read the temp and pump in more fuel.

          thermos are cheap, youre talking 20 bucks

          serious? well dang i'll order me one then.

          thanks dudes

          Comment

          • iamsam
            Advanced Member
            • Jun 2008
            • 172

            #6
            so what's better, an 88 degree thermostat or a 92?

            Comment

            • s52e30m3
              Wrencher
              • Aug 2008
              • 225

              #7
              I think the 88 for an m42............I'll check
              yes the 88

              Comment

              • iamsam
                Advanced Member
                • Jun 2008
                • 172

                #8
                there is two options for my M42...... the 88 or 92.....

                Comment

                • s52e30m3
                  Wrencher
                  • Aug 2008
                  • 225

                  #9
                  I'd go with the 88

                  Comment

                  • Joe318is
                    R3V OG
                    • Sep 2005
                    • 6451

                    #10
                    degrees in celsius. thats when they open

                    you live in a colder area, i suggest the hotter temp so you have higher heat from the blower. give that the rest of the cooling system is good.


                    Originally posted by vlad
                    Do you know anybody else who built that many bad ass E30s?

                    Comment

                    • iamsam
                      Advanced Member
                      • Jun 2008
                      • 172

                      #11
                      Pelican has the two temp options, seems Bavauto just has one thermostat for the M42, doesn't say what temp though, but it comes with the gasket and o-ring, and will be here much faster so that's what i will get.


                      Edit: ordered!! thanks for the help guys!!

                      Comment

                      • 3bvert
                        E30 Enthusiast
                        • Jun 2009
                        • 1032

                        #12
                        running the 88 in mine

                        Comment

                        • ///m3
                          E30 Addict
                          • Apr 2006
                          • 563

                          #13
                          an 88 keeps the temps down which is good for the M42, nice choice
                          BMW Headlights ::

                          Comment

                          • bimmer_E30
                            R3V Elite
                            • Dec 2007
                            • 5001

                            #14
                            my temp gauge and gas gauges dance all the time when iam driving.

                            happend when i changed my thermostat lol?
                            Originally posted by e30e
                            lose the old man bmwcca badge.

                            Comment

                            • z31maniac
                              I waste 90% of my day here and all I got was this stupid title
                              • Dec 2007
                              • 17566

                              #15
                              The cheapness of R3V members never fails to astound.
                              Need parts now? Need them cheap? steve@blunttech.com
                              Chief Sales Officer, Midwest Division—Blunt Tech Industries

                              www.gutenparts.com
                              One stop shopping for NEW, USED and EURO PARTS!

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