2nd Gen R56 Cooper S Oil overfill

Discussion in '2nd Generation: 2007+ R55 through R61' started by adamantium, Nov 24, 2013.

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  1. MCS02

    MCS02 Moderator
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    Also do not use aviation fuel, it has led in it. I know its called low led but its more than what your Mini is designed to run on.
     
  2. Dave.0

    Dave.0 Helix & RMW Powered
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    Race Fuel or Sunoco 93 will do the trick after you run it for a few weeks.
     
  3. Crashton

    Crashton Club Coordinator

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    If it is cold & damp yep you will see the smoke you describe. Not a big deal at all. Just condensation.

    For my 2 cents, I would not run sea foam. It is a placebo at best. Also any lead in the fuel high octane of not will kill your cat converter. A costly fix that will not be covered under warranty. Just drive your car it is fine from what I can tell.

    Post a video if the exhaust.....

    End of old fart advice.....
     
  4. Metalman

    Metalman Well-Known Member
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    Have you taken that long drive yet? This will help blow out all that oil that is still sitting in the intake and exhaust.....
     
  5. adamantium

    adamantium New Member

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    Yes, I did take that drive, but it was short, 120km round trip.
    Maybe I should take a longer drive?

    Will a octane booster work like NF instead of race fuel? It's like hens teeth over here.
     
  6. adamantium

    adamantium New Member

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    120km averaging 140km/h
     
  7. MCS02

    MCS02 Moderator
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    Hens teeth :D:D I like that. Its the same here, its pricy. I don't know if octane boost will work the same. Maybe one of the other guys on here will know. Even with out the race fuel the oil will eventually burn out.
     
  8. CHKMINI

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    Act like it's for sale and let someone take a test drive. I'm sure they will blow out the oil!
     
  9. MCS02

    MCS02 Moderator
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    If they don't blow it out. You could blame the smoke on them and demand a new exhaust. :devil:
     
  10. maacodale

    maacodale Club Coordinator

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    Here's a funny story. At our body shop, we have a Geico drive in claims adjuster. All the insurance guys around know I'm a MINI fanatic. So the Geico adjuster says he has a 05 MCS to look at across town. It had started smoking then knocking. Then cut off.

    He gets there and the shop has drained out 14 quarts of oil! Nice, oily looking oil. Not watered down like a blown head gasket/chocolate milk would give you. Actually 14 quarts of OIL. Seems the kid that owned the car would see the oil light come on and he'd add a quart of oil. He wouldn't check it, he'd just add oil. He told the adjuster the light would go out, so he thought it was okay. Of course now it's in need of an engine. Probably was before if the oil light came on so often. Just goes to show ya, not all MINI owners are enthusiasts.
     
  11. Crashton

    Crashton Club Coordinator

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    That little Gecko isn't very smart. The oil light comes on intermittently & he buys the car? Did he pull the dip stick? I'm sorry for his troubles, but oh man. :crazy:

    Another oil story. Subaru was having problems in the early 2000's with Iffy Lube places draining the front diff & then adding another 4.5 quarts of oil to the undrained sump. Sometimes the diff would die before the engine, sometimes both would die. Subaru fixed this by using a special plug for the diff drain that no one would have.
     
  12. adamantium

    adamantium New Member

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    Update....

    So after a 1000km and 2 long trips 500km total.
    I still have smoke.

    Went to see a mini specialist and he told me to check the intake for oil, as he did a few small checks.
    And once cleaned if it's still smokes to come back in the beginning of January for further investigation.

    I decided to take off the intake manifold,the throttle body,charge pipes,and the intercooler.

    Intercooler was filled with oil
    Charge pipe to throttle side was lined with wet oil
    Intake moist oil

    Washed it all with petrol, and cleaned the ports with some carbon cleaning spray from würth, seeing as though I had the intake off.

    Put it all together once cleaned, car started and still seems to be smoke... I know you must be thinking there is some oil somewhere...

    But then took the car for a drive, came back, charge pipes were dry,

    Noticed the back bolt on my downpipe was loose and blowing, so I decided to take it off and peak inside, it was clean as well.

    My buddy then decided to start the car while the downpipe was off, and as the car starts, the dump valve opens and smoke pours out immediately.

    My buddy says my turbo seals are gone, and I might need a new turbo

    Car is on 63000km.

    Input appreciated.
     
  13. Metalman

    Metalman Well-Known Member
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    And you never smoked before the oil overfill occured?
     
  14. adamantium

    adamantium New Member

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    No sir it did not
     
  15. Systemlord

    Systemlord New Member

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    Where was your car serviced and have you spoken to them about all this? Their legally liable, an upgraded turbo might not cost you more than $2k.
     
  16. adamantium

    adamantium New Member

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    So guys, I'm totally confused... I redid my turbo, and my car is still the same, although it boosts better lol

    My turbo seals were gone.

    It still smokes after idle and pull away.

    Could it be the PCV? Dealers, independent garages and technicians say it can't be valve stem seals,as they never had r56 valve stem issues ever!?

    I'm rather disliking my car right now, even though it's my own fault.

    What should my next step be?

    Thanks in advanced guys, I'm going crazy
     
  17. Metalman

    Metalman Well-Known Member
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    When you replaced the turbo, did you also replace the return line with new?

    The thought being.... If the return line is blocked.... The oil going to the turbo bearings might be forced into the charge passage....

    Just a thought.... Long distance internet diagnosis being somewhat limited....

    #9 Return Pipe...

    [​IMG]

    turbo.JPG
     
  18. adamantium

    adamantium New Member

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    Hi, thanks for the response...

    That pipe was fine and clean, no blockage.

    I did buy a new #6 as the mini tech told me that line usually sludges up because of the heat.
     
  19. Metalman

    Metalman Well-Known Member
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    Running out of ideas.... Somehow you are either continuing to add oil to your combustion..... The question is.... Is it latent oil that has coated your intake track and just continues to flush through the system? Or is it from another source? Did you notice if there was oil inside the intercooler?
     
  20. 05r50

    05r50 Well-Known Member

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    Not sure if this helps.

    Did you check your catalytic converter for oil clogging?

    If it is clogged then you would see increased back pressure measured by a back pressure gauge which screws into the O2 sensor port on top of the cat pipe (closest to the turbo). I was told by 2 shops that greater than 1.5 psi is no good. (Can't find verified documentation
    However ).

    You saw that you redid the turbo not exactly what. Did you rebuild
    It, replace it etc?

    The oem turbo uses a journal bearing
    So the turbine shaft floats in a bath of oil. One theory about seal failures is that the increased back pressure from the cat being clogged puts too much pressure on the turbine shaft and wears out the metal clip seals holding the shaft in place. This allows for lateral movement which allows oil to escape the bearing cavity pushing
    Oil to both the intercooler and the catalytic converter. That is what happened on mine and I replaced the cat, turbo, intercooler.

    Could this smoke be coming from the oil in the cat?
     

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