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Thread: head decoke

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    head decoke

    on the series 3; 325's 2005

    has anyone done a cylinder decoke?

    also


    1> is it worthwhile vs the trouble of doing it?

    2> any gains expected

    3> on what millage would you expect to do it

    4> is it needed on modern engines

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    I'm not sure what this even means. Details?
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    google is your friend Click here to enlarge

    but asked on several other car forums and dont think pp[l do this anymore; however I got another way to do this without stripping your head down as below

    "Agreed. 2002, if it has over 75000 miles, use Seafoam/Mopar Combustion Chamber Cleaner in the non aerosol can, and pull the pugs after it has warmed up/ran some through the intake manifold, and pour it into the spark plug holes then turn it by hand to push it into the exhaust ports.


    Let sit over night.


    Plugs still out crank via the stater.


    Reinstall plugs. Start and drive the wee out of it.


    An Italian tuneup won't remove large amounts of carbon on the back side of the exhaust valves. "

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