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Thread: 2 Bar OS Questions

  1. #1

    2 Bar OS Questions

    I have a few questions about the 2 bar OS for the E38 pcm.

    Can I still run the car in Hybrid mode, ie SD up to 4k and Maf after that?

    Can I run a stock Map with the OS? Car is a 2006 Z06, the help file says it is possible just wanted to see if anyone has done it.

    Can I go back to the stock OS just by reflashing my old tune with a write entire?

    Thanks in advance for any help.

  2. #2
    HP Tuners Support
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    Bill@HPTuners's Avatar
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    You can run the stock map but it won't read up to 2 bar so you'll need to scale it accordingly.

    And yes you can always switch back to the stock operating system at any time.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  3. #3
    Thanks Bill.

    Do you know if I can still run in Hybrid mode? and if I can would that mean I dont need to apply the TCS patches?

  4. #4
    HP Tuners Support
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    Yes you can run the maf
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  5. #5
    Thanks Bill.

  6. #6

    Map PID?

    I can not find a non SAE Map with the 2 bar OS I just installed. The readings look the same as they did with the stock OS, just want to make sure before I tune with it. I remeber reading a post by Bill that you had to delete the SAE one and use a 2 bar one. Is that only for some PCM's? This is a 2006 Z06 with the 2 bar OS, but a stock MAP at this point.(I need the VE table more than the extra boost range)

  7. #7
    HP Tuners Support
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    It uses the sae pid, considering you can run a 1 bar map, 1.3bar map, 2 bar map, 2.5 bar map or 3 bar map in these applications creating all those pid's would've been pointless
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  8. #8
    Thank you again and again Bill....You are Awesome.