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Any one using their o2 sensor with their turbo set-up?

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    Any one using their o2 sensor with their turbo set-up?

    Im just running stock ecu with turbo chip. No o2. I'm wondering if it will work well in conjunction or f things up? I'm using the ole sock setup with rrfpr. I've heard that the ecu doesn't like what it sees with the o2. I was wondering if I could put in a switch of some kind to assist in better cruising values and light accel and such?
    Thoughts?
    Don't say ms and whatnot, that's not what I'm writing this for.

    #2
    when I was on WAR chip my E30 hated having the O2 sensor on, it ran really poor. turning it off and making a better fuel map made my car run a lot better.


    7speedshop.com

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      #3
      Originally posted by kamotors View Post
      when I was on WAR chip my E30 hated having the O2 sensor on, it ran really poor. turning it off and making a better fuel map made my car run a lot better.
      I was just going to ask this question. My warchip tune is running my car fine right now...does this mean if I disable it that it will still idle the same and behave the same right now and even better as in more precise? or will I have to retune idle, PT and WOT again once I turn off the 02 control.

      sorry didnt mean to highjack...
      Denny
      ___________
      1990 BMW red 325IC M30B35 all stock Girlfriends ride
      1991 BMW black 318IC (M62b44 Megasquirt 2 ver 3.57)

      Blogs:
      http://bmw325e30.blogspot.com/ (restoration)
      http://bmw325e30turbo.blogspot.com (Twincharge M20)
      http://bmw325e30m62b44.blogspot.ca/

      Comment


        #4
        Originally posted by Denny View Post
        I was just going to ask this question. My warchip tune is running my car fine right now...does this mean if I disable it that it will still idle the same and behave the same right now and even better as in more precise? or will I have to retune idle, PT and WOT again once I turn off the 02 control.

        sorry didnt mean to highjack...

        shouldn't need a retune. it really improves the on-off throttle situations when you disable the sensor.


        7speedshop.com

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          #5
          Originally posted by kamotors View Post
          shouldn't need a retune. it really improves the on-off throttle situations when you disable the sensor.
          Now I'm curious and need to give this a try. I will report back on tomorrow night or friday. Thanks man.
          Denny
          ___________
          1990 BMW red 325IC M30B35 all stock Girlfriends ride
          1991 BMW black 318IC (M62b44 Megasquirt 2 ver 3.57)

          Blogs:
          http://bmw325e30.blogspot.com/ (restoration)
          http://bmw325e30turbo.blogspot.com (Twincharge M20)
          http://bmw325e30m62b44.blogspot.ca/

          Comment


            #6
            Seems like this thread is going somewhere. Ill stay tuned. Maybe someones just running a ebay chip and an o2?

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              #7
              Originally posted by Stabmasterflex View Post
              Seems like this thread is going somewhere. Ill stay tuned. Maybe someones just running a ebay chip and an o2?
              I was running an ebay chip and no stock o2. It ran nicely

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                #8
                I used to run a begi fmu, chip, m30afm,30lb injectors, with a hobbs switch wired into the tps for part throttle boost, ran perfect for years with the stock o2.
                sigpic
                mods: just meat and potatoes under the hood and wheaties on fire out back ;)

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                  #9
                  Am pleased to report that my car runs better without 02 sensor ON and that no retune was necessary :) thanks (KAMOTORS)
                  Denny
                  ___________
                  1990 BMW red 325IC M30B35 all stock Girlfriends ride
                  1991 BMW black 318IC (M62b44 Megasquirt 2 ver 3.57)

                  Blogs:
                  http://bmw325e30.blogspot.com/ (restoration)
                  http://bmw325e30turbo.blogspot.com (Twincharge M20)
                  http://bmw325e30m62b44.blogspot.ca/

                  Comment


                    #10
                    Mine currently runs ok. Really the only thing that bothers me is to see it running rich (in the 12's) at cruise and even light accel. I've thought about the m30 air flow meter. I think I'll try installing another bung and give the o2 a go. Guys that are running it; did you put the bung really close to the first bend of the down pipe or you think putting it down lower will work. I realize that closer may be more accurate but space and looks are an issue.

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                      #11
                      When I had "alpina" headers my 02 sensor was below the car about 18" further away than stock and it always ran excellent.


                      7speedshop.com

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