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Thread: 07 R1200RT Burning oil smell

  1. #1
    Registered User 185274's Avatar
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    07 R1200RT Burning oil smell

    I have noticed lately that whenever I am in prolonged stop/start traffic, independent of ambient temp (happened again last week in 27 deg.F), I get a faint but noticeable smell of oil burn. It usually correlates with the oils temp above half and lots of clutching. It goes away as soon as traffic starts moving. I don't notice it again when I stop at lights, etc.
    Does any one else experience this?

  2. #2
    Rally Rat
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    I did for a short time. Then I fixed the small leak at the timing chain guide block bolt that was loose. This was on a 12 R1200R.
    There is also a possibility of timing chain tensioner oil seepage.

    David

  3. #3
    Registered User 185274's Avatar
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    Are there any telltale signs to look for without taking off plastic?

  4. #4
    Rally Rat
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    stains on the exhaust.

    You say oil burn are you sure its not the clutch you are smelling?

  5. #5
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    I have exactly the same thing with my 09 RT. It has been going on for the last 25K miles or so, and I cannot find the source of the leak. No stains on the exhaust. No drips. Nothing at all to indicate a leak.

    Fluid levels are good; transmission oil stays full. Motor uses (maybe it's the tensioner as mentioned above?) about a quart every 5K miles. I just can't find the source.

    One mechanic suggested a leaking shock absorber as a possibility, but mine are dry...

    I'll look at the tensioner next.. If someone else has an idea, I'll look there as well...

  6. #6
    Registered User westhautianplen's Avatar
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    Rear Seal ??

    I experienced the same on my 07.

    I would notice an burning oil smell at stop lights, or parking after riding a while.
    Your bike may have a different problem, however you might want to:
    1) Look at the bottom side of your catalytic converter, my RT had black streaks from the leaking oil.
    2) I thought my oil pan was leaking at the split due to the oily film on the oil pan around the drain plug area.
    I took it in for a diagnosis of the Failed ABS and they informed me that the rear seal was leaking.
    The dealership changed out both the rear crankshaft seal and the counter ballance seal at the same time while they had the rear end pulled.
    On the positve side of it all, for some reason it shifts better.

    I wish you well.
    Last edited by WestHautianPlen; 02-03-2013 at 06:46 PM. Reason: Spelling
    Plen Smith
    07 R1200RT

  7. #7
    Registered User 185274's Avatar
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    Quote Originally Posted by DROOT153718 View Post
    stains on the exhaust.

    You say oil burn are you sure its not the clutch you are smelling?
    Could be? Like I said it only happens when I am clutching a lot. This is my first BMW. I have never had any similar issues with other bikes I have owned. No sign of any oil leaks in suggested places.

  8. #8
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    I know my odor is not due to the clutch; it appears sometimes after long runs on the slab, as well as riding around town. Don't smell it all the time, but pretty frequently it's there. Also, a definite oil smell, not acrid like the clutch.

  9. #9
    Registered User hjsbmw's Avatar
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    The clutch is hydraulic and could leak oil too. Then there are engine and transmission oil. They all have their distinct smells. You could dip a wire or similar in each liquid and burn it with a lighter to find if either matches what you are smelling. If you have any kind of leak you should be able to see the telltale signs, although I don't know how hidden the typical spots are on the RT due to the plastic. There are a good number of seals on those bikes where fluids could leak around the transmission, engine, gear potentiometer, clutch cylinder, and so on. The clutch itself can smell too, of course, so there are many variables.
    Harald
    2007 R1200R

  10. #10
    flylow1
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    I also have a 2007 RT with this issue. I have grime accumulated on the front cover of the engine and it drips occasionally on the exhaust pipe creating the smell. I also see occasional oil spots on the garage floor from this with similar oil consumption ~ 0.5 liter per 5000 miles. I am interested in knowing the typical failures that create this leak for this bike and any information on how to fix this. It doesn't seem to hurt anything but if there is a reason to be concerned, I would like to hear what that is.

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    On my 2012 RT it was the rear main seal. The dealer replaced that, the balance shaft seal, and the gearbox input shaft seal under warranty in October, and I've been oil-leak-free since then.

  12. #12
    Registered User liv2ride's Avatar
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    Quote Originally Posted by holygoat View Post
    On my 2012 RT it was the rear main seal. The dealer replaced that, the balance shaft seal, and the gearbox input shaft seal under warranty in October, and I've been oil-leak-free since then.
    What symptoms did you experience?

  13. #13
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    Quote Originally Posted by Liv2Ride View Post
    What symptoms did you experience?
    Had to top off oil frequently; oil slick from seepage on the lower half of the engine; oil drip on exhaust components; heated oil smell.

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