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BMW 1100GS emissions Q

  • 26-05-2008 9:08pm
    #1
    x in the city
    Closed Accounts Posts: 7,134 ✭✭✭


    lads

    my brother got a BMW bike and he got probs with the emissions. He needs it for a road trip does anyone here have a bike like this or can pin point what might be wrong.

    He hooked up the bike to a emission tester but cant adjust the potentiometer to correct the emissions.

    at the moment its burning too much petrol.

    thanks!


Comments

  • #2
    colm_c
    Registered Users, Registered Users 2 Posts: 2,032 ✭✭✭colm_c


    Check out the forum on www.ukgser.com

    Someone on ukgser should give you some pointers. There's a section for 1100's.


  • #3
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,794 ✭✭✭✭galwaytt


    x in the city wrote: »
    lads

    my brother got a BMW bike and he got probs with the emissions. He needs it for a road trip does anyone here have a bike like this or can pin point what might be wrong.

    He hooked up the bike to a emission tester but cant adjust the potentiometer to correct the emissions.

    at the moment its burning too much petrol.

    thanks!


    it's been a while, but iirc.........you can't adjust a pot for the mixture - what you've been adjusting is the Throttle Position Sensor (TPS), which is a different animal - the procedure you're looking for is know in BeeEmm circles as 0-0 or Zero-Zero.

    Mixture adjustment is by conventional screws on the throttle bodies - www.bmwsporttouring.com is a font of knowledge on that stuff.

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



  • #4
    pirate reject
    Closed Accounts Posts: 60 ✭✭pirate reject


    Or you could try the BM rider forum at

    http://www.bmrider.com/forums/


  • #5
    x in the city
    Closed Accounts Posts: 7,134 ✭✭✭x in the city


    cheers for that guys

    he needs to know how to adjust the co2 levels (to the default setting). how is this done? he can adjust the tsp, he just needs to set the co levels...

    anyone?!!


  • #6
    sutty
    Registered Users, Registered Users 2 Posts: 4,109 ✭✭✭sutty


    What he needs to do is change the fuel/air mixture. As said it is ether by screws on the throttle bodies or if is a bike with a ECU, then through the ECU.


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  • #7
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,794 ✭✭✭✭galwaytt


    Mixture on a GS, even with an ECU, is still by screws - there are two on each throttle body.

    The TPS is used in the balancing process only.

    Loads of info, inc tech articles, here: http://www.ibmwr.org/ and the TPS adjustment is here: http://www.ibmwr.org/r-tech/oilheads/zero528.shtml And, as it says, you only go at the TPS as a last resort.........not a first one.

    The best tech list of articles is here, on that site too - including how to set the throttle screws: http://www.ibmwr.org/r-tech/oilheads/index.shtml

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



  • #8
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,794 ✭✭✭✭galwaytt


    Mixture on a GS, even with an ECU, is still by screws - there are two on each throttle body.

    The TPS is used in the balancing process only.

    Loads of info, inc tech articles, here: http://www.ibmwr.org/ and the TPS adjustment is here: http://www.ibmwr.org/r-tech/oilheads/zero528.shtml And, as it says, you only go at the TPS as a last resort.........not a first one.

    The best tech list of articles is here, on that site too - including how to set the throttle screws: http://www.ibmwr.org/r-tech/oilheads/index.shtml


    When you've gone through that lot, you'll understand ...
    1. Why ordinary bike shops won't touch a BeeEmm as trade in......
    2. Why ordinary bike shops wont work on BeeEmm's.......too much labour...
    3. Why there's a glut of GS's and RT's with no buyers - they're high maintenance compared to Jap stuff.

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



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