2nd Gen R56 Cooper S catalyst clogging

Discussion in '2nd Generation: 2007+ R55 through R61' started by genik, Jan 26, 2017.

  1. genik

    genik Member

    Feb 20, 2012
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    Is it true that R56S minis that burn engine oil, have the tendency to clog the catalyst?
     
  2. caseydog

    caseydog Well-Known Member

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    It is not necessarily a matter of "clogging." If the catalyst in the converter gets coated with oil, the nitogen oxides can't react with them, so the converter becomes useless. That's true of any car, not just an R56S.

    I suppose, if the oil burning is severe enough, it could eventually clog the converter.

    If you are burning oil, you need to deal with it. That's not normal. The converter is a secondary issue, the primary issue is that your engine is burning oil.

    CD
     
  3. mrntd

    mrntd Well-Known Member
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    #3 mrntd, Jan 26, 2017
    Last edited: Jan 26, 2017
    The catalyst can get clogged for other reasons too. My old GTi had a clogged cat and wasn't direct inject. My solution was really environmentally friendly. I core out the converter. The fault was the air fuel mixture was off and it got too hot. Mostly and older car problem. I don't recommend my clogged cat solution for your MINI.
     
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    Dave.0 Helix & RMW Powered
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    Metalman Well-Known Member
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    Nathan Founder

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    [ame="https://www.youtube.com/watch?v=a_1OVYsLqMU"]BeverlyHills Cop I Banana in the tailpipe - YouTube[/ame]
     

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