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Thread: What do you do when

  1. #1
    Cowboyatheart
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    What do you do when

    You are in remote areas where there is only 85 octane gas?

    Happens a lot if you are out of the "major cities and routes" in Canada.

    Can an additive be added to a tankful to increase the octane to meet BMW specs?
    Neil
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  2. #2
    roamingbeemer roamingbeemer's Avatar
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    I spent an afternoon long ago researching those Octane additives for my sport bike which has 13 to 1 compression. I live in Colorado and we have lower octane fuel here due to the elevation. We do have 91 available but when going eastbound the elevation drops so I wanted to guard again detonation by maybe increasing it slightly. I do not want to test the anti-detonation technology on the bikes since it has to start detonating for it to work.
    The test results I saw on the internet showed a very small increase in detonation resistance between the different brands so I was left debating if it was worthwhile or a waste of money.

    I still add some to the sport bike occasional when not going into the mountains and I figure it can not hurt anything. I use either Lucas or STP Octane booster. I use the water absorbers regularly in my fill ups because I believe the water content in the gas causes more problems than anything. Just my amateur mechanic educated guess!! Cheers,
    Seek Fun. "Any fool can criticize, condemn and complain--and most fools do" BF
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  3. #3
    Registered User greenwald's Avatar
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    Smile

    Quote Originally Posted by cowboyatheart View Post
    You are in remote areas where there is only 85 octane gas?

    Happens a lot if you are out of the "major cities and routes" in Canada.

    Can an additive be added to a tankful to increase the octane to meet BMW specs?
    For short durations, I just run the lower octane, and get premium in the tank as soon as possible.

    Though most EFI mapping is programmed to 'compensate' for lower octane in fuel, it compensates with less mileage, less power to pass, premature detonation (knocking), carbon deposits, etc.

    If prolonged, an octane booster (additive) would work just fine.
    Kevin Greenwald - Touring Tips Editor
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  4. #4
    Registered User lkchris's Avatar
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    This is covered in owners manual, right?
    Kent Christensen
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    '12 R1200RT, '02 R1100S, '84 R80G/S

  5. #5
    Small road corner junkie pffog's Avatar
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    Quote Originally Posted by lkchris View Post
    This is covered in owners manual, right?

    Turn in your man card. Real men "don't need no stinking instructions"

    2010 F800GS Full Ohlins package, '04 R1100S Replika
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  6. #6
    Registered User
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    Put gas in and keep going?

    It's an internal combustion engine, not a warp core.
    2000 R1100RT / 1987 K75C (RIP) / Santa Clarita, CA

  7. #7
    Enjoy The Ride saddleman's Avatar
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    Just ride easy with no wide open throttle & no high RPM's. Some BMW's have a knock sensor that can adjust for low octane & others don't. My K1200 LT has no knock sensor & some have cracked ring lands with low octane fuel. I run 87 octane in town & at least 91 octane on the highway & when I ride hard.
    Dave
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  8. #8
    God? What god? roborider's Avatar
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    What do I do? I fill up and ride.
    Rob C. , Raleigh, NC
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  9. #9
    MOA #24991 Pauls1150's Avatar
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    Be really careful when choosing a "water absorber" (unless you really need to try to break down some water) - many are high in ALCOHOL.

  10. #10
    Left Coast Rider
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    Quote Originally Posted by JamesInCA View Post
    It's an internal combustion engine, not a warp core.
    What, you didn't check that box on the option list?

  11. #11
    Registered User PeoriaMac's Avatar
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    What, you didn't check that box on the option list?
    Only available currently on the Wasserboxer GS. And you have to get the GPs with it....
    Mac
    1986 R80RT, 2005 R1200GS
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  12. #12
    Registered User
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    No worries! I don't ride the Motorsport in remote areas; all my other Airheads will burn that cheap swill!

    Does BMW build "adventure" bikes that require premium? The advertising shows these going into Third World places; are they not up to using the sort of fuels you find in the Third World?

  13. #13
    Registered User lkchris's Avatar
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    Quote Originally Posted by jforgo View Post
    Does BMW build "adventure" bikes that require premium? The advertising shows these going into Third World places; are they not up to using the sort of fuels you find in the Third World?
    Criticism is misdirected--they should be building diesels.
    Kent Christensen
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    '12 R1200RT, '02 R1100S, '84 R80G/S

  14. #14
    Registered User 36654's Avatar
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    Quote Originally Posted by jforgo View Post
    The advertising shows these going into Third World places; are they not up to using the sort of fuels you find in the Third World?
    Based on what I've heard on this board, every third world country has a plentiful supply of incredibly pure premium gasoline sold at the pump by the pit toilet and village water well.......
    Cave contents: 99 R11RS, 2013 Toyota Tacoma, 03 Simplicity Legacy, 97 Stihl FS75, Dewalt DW625 & DW744

  15. #15
    Alps Adventurer GlobalRider's Avatar
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    Quote Originally Posted by jforgo View Post
    Does BMW build "adventure" bikes that require premium? The advertising shows these going into Third World places; are they not up to using the sort of fuels you find in the Third World?
    The oilheads have a coding plug that can be inserted into the appropriate socket in the fuse box, just for these kind of situations.

    Amazingly, the guys on the Long Way Round didn't know about it when I asked if they had used them. But when you get free motorcycles, I guess you don't really care. Damn poseurs!

    And furthermore, if you do not load the engine heavily, the required octane isn't likely needed.

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