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Thread: ISO Miller Maf g3

  1. #1
    Join Date
    Jul 2016
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    Massachusetts
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    89 635csi, 83 & 82 320i

    ISO Miller Maf g3

    In search of a miller mass air flow. If someone has one sitting around that they wanna sell, I don't even need the chip, just the maf. My afm failed and not looking at buying a part that's going to fail again.

  2. #2
    Join Date
    Aug 2010
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    West Nyack, New York
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    86 635csi 98 740i 96 MB
    Aaron,

    Do you have the Miller chip?

    Is your ECU harness converted for the Miller chip?

    If not, the MAF will not work without chip and harness update.

    Bob V
    Last edited by 1986series6; 03-23-2019 at 07:16 AM.

  3. #3
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    Quote Originally Posted by 1986series6 View Post
    Aaron,

    Do you have the Miller chip?

    Is your ECU harness converted for the Miller chip?

    If not, the MAF will not work without chip and harness update.

    Bob V
    I don't, but I do have access to a cheaper miller chip.

  4. #4
    Join Date
    Aug 2010
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    86 635csi 98 740i 96 MB
    Aaron,

    Here are the instructions for the regular chip, not the War Chip.

    https://www.millerperformancecars.co...0GEN%20III.pdf

    And please let me know about the TPS.

  5. #5
    Join Date
    Jan 2015
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    Berkeley, CA
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    '85 M635, '00 V70R
    Hi,

    I have the full setup with both chips. I've reverted to stock. The voltages on the MAF were questionable but it may still be good. PM me.

  6. #6
    Join Date
    Aug 2010
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    West Nyack, New York
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    86 635csi 98 740i 96 MB
    I would be interested in the war chip if Aaron doesn't want it.

  7. #7
    Join Date
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    Quote Originally Posted by iziksun View Post
    Hi,

    I have the full setup with both chips. I've reverted to stock. The voltages on the MAF were questionable but it may still be good. PM me.
    I ordered a reman afm from autozone, and it was absolute junk. I just had them reorder another one, and If the second one is bad, I'm opting for the miller maf.

  8. #8
    Join Date
    May 2006
    Location
    Thornhill, ON, Canada
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    552
    My Cars
    '86 635csi 5spd.
    Not to hijack the thread, but I wonder about peoples experience with Miller's system. I have Gen I set up and from very beginning the engine was running rich. I've contacted Miller, but they were not able to help as they already were on next gen of their system.
    Wondering if anyone else have gen I and if yes, how does it run.
    Val (a.k.a. chevale)
    Stuff For Sale

  9. #9
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    Hey Val how are you doing?

    I have a Gen II standard chip. I installed it and I love it. Throttle response is awesome.
    Before the MAF @ 60 ish mph to pass the pedal had to be pushed pretty far to gain
    acceleration and could only get enough umph going into passing gear.
    With the MAF I could accelerate evenly and with very good thrust without downshifting(Auto trans)

  10. #10
    Join Date
    May 2006
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    Thornhill, ON, Canada
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    '86 635csi 5spd.
    Quote Originally Posted by 1986series6 View Post
    Hey Val how are you doing?

    I have a Gen II standard chip. I installed it and I love it. Throttle response is awesome.
    Before the MAF @ 60 ish mph to pass the pedal had to be pushed pretty far to gain
    acceleration and could only get enough umph going into passing gear.
    With the MAF I could accelerate evenly and with very good thrust without downshifting(Auto trans)
    Thanks, Bob, all is good.
    Gen II might be different, I do like throttle response but in Gen I there are definitely some issues with the too rich mixture. I can see it on spark plugs and by the color of the exhaust tip.
    Val (a.k.a. chevale)
    Stuff For Sale

  11. #11
    Join Date
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    Val,

    Now that you mention it, I also was running a little rich. Never thought it to be
    the MAF -- started after getting injectors rebuilt IIRC.

    In the other post, I'm pushing to swing up by you blokes for "Idiotfest" this year.

    Hope we could get it done.

    Would be good to see you again.

    Bob V

  12. #12
    Join Date
    May 2006
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    Thornhill, ON, Canada
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    My Cars
    '86 635csi 5spd.
    Quote Originally Posted by 1986series6 View Post
    Val,

    Now that you mention it, I also was running a little rich. Never thought it to be
    the MAF -- started after getting injectors rebuilt IIRC.

    In the other post, I'm pushing to swing up by you blokes for "Idiotfest" this year.

    Hope we could get it done.

    Would be good to see you again.

    Bob V
    Bob, it's quite well known that cars with Miller's system (at least gen I/II, I don't know anything about WAR chip) are running rich. Noticed it immediately after the installation but no solution was provided.

    It would be nice to get together again at the fest.
    Last edited by chevale; 03-31-2019 at 10:57 PM.
    Val (a.k.a. chevale)
    Stuff For Sale

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