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Thread: Do you "un" Chip before Emissions Test?

  1. #1
    Join Date
    Jan 2004
    Location
    Boston & Attleboro MA
    Posts
    727

    Default Do you "un" Chip before Emissions Test?

    So my new 6er is runnin a little hot and thats why i probably failed emissions, cause it was close... but when I was cleaning her up I found in the glovebox a bag w/ some papers & a little plastic box, on it a nice shiney Dinan sticker, and the stock Eprom inside... ooooo I got a Dinan Chip!!!

    Should I stick the stock back in for Emissions testing? Remember I am in MA so it's tough...

  2. #2
    Join Date
    Apr 2004
    Location
    Dallas, TX
    Posts
    99

    Default

    I never have with my Conforti Shark chip -- since 1999. I always make sure my oil is changed and the car has been at freeway speeds for at least 20 minutes before I head in first thing in the morning. And, I don't turn it off if there is a short wait. I also run a container of RXP through a tankful before that time of year.

    I am always really close to going over on low-speed HC, but that's about it.
    ...Bill

  3. #3
    Join Date
    Jan 2004
    Location
    Boston & Attleboro MA
    Posts
    727

    Default

    Is RXP denatured alcohol? Its was suggested to dump 3/4 quart of denatured into 1/2 a tank and give it a good running before bringing in.

  4. #4
    Join Date
    Jan 2004
    Location
    NYC
    Posts
    479

    Default Nope

    I never have. I haven't done any special preparations for it either. Maybe i should look into it though. I think NY is at least as tough as MA... not sure though

  5. #5
    Join Date
    Jul 2004
    Posts
    225

    Default Hot Cat!

    Quote Originally Posted by DaCan23
    So my new 6er is runnin a little hot and thats why i probably failed emissions, cause it was close... but when I was cleaning her up I found in the glovebox a bag w/ some papers & a little plastic box, on it a nice shiney Dinan sticker, and the stock Eprom inside... ooooo I got a Dinan Chip!!!

    Should I stick the stock back in for Emissions testing? Remember I am in MA so it's tough...
    No. I have a 1990 535i, 5spd, 101K miles, and a "Jim C" chip. I live in CALIFORNIA, home of the toughest smog test in the world. Last week I took my car in for smog on the new roller smog test and passed with flying colors!

    The key - get your catalytic converter nice and hot before taking the test. So, get out on the highway for a good 1/2 hr and go for it!

  6. #6
    Join Date
    Dec 2003
    Location
    Bay Area, CA
    Posts
    422

    Default

    passed cali's smog-II with the conforti chip a few months ago.

    i agree with bfd, that you really need to get the cat nice and hot by driving on the freeway hard for at least 20 min or so. also when you get to the smog place, do not turn your car off and try to get them to smog it right away.

  7. #7
    Join Date
    Jan 2004
    Location
    Boston & Attleboro MA
    Posts
    727

    Default

    Cool, thanks guys, as soon as I get the temp gauge back to midpoint I'm sure it'll pass.

  8. #8
    Join Date
    Jan 2004
    Location
    Fogtown
    Posts
    656

    Default

    Also ask the technician to warm up the car for you. He will let it roll on rollers for a while before starting the test.

  9. #9
    Join Date
    Apr 2004
    Location
    Dallas, TX
    Posts
    99

    Default

    DaCan23... RXP is here: http://www.rxp.com/how.htm

    Removes carbon buildup like a champ. Not alcohol, although I have heard that one too.
    ...Bill

  10. #10
    Join Date
    Apr 2005
    Location
    The Bronx, NY
    Posts
    97

    Default Amazing...!!!

    Ingredients: RxP Blend In Soy Methyl Ester (% By Weight: 100)

    Wow...it made from Soy !!!
    (Can't wait to try a gasoline from Soy. )

    Quote Originally Posted by DallasBill
    DaCan23... RXP is here: http://www.rxp.com/how.htm

    Removes carbon buildup like a champ. Not alcohol, although I have heard that one too.
    '95 BMW-540i/Auto (ZF-5HP30)...NO reverse
    "Original" Nikasil block (+ Fristo Lays Chip)
    87+ K Miles

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