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Emissions for stock m20b25

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    Emissions for stock m20b25

    Hey guys,

    was wondering what are the average acceptable values for a stock m20b25 with CAT and if possible a NON CAT version as well (if it's different) for pass emissions.

    CO & HC values?

    Thanks
    __________________
    Euro M3'87 NogaroSilver/Euro E34 M5 '93/Porsche 993 TT 97' Euro/Porsche 993 Carrera 95' Euro/Skyline R33 GT-R


    #2
    doesnt it entirely depend on where you live because some places dont even have emissions test

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      #3
      I guess so, but the web doesn't say crapp about it, nor the call center or customer's service.

      So, looking for emission test on stock 325i from factory, i could get a rough idea where is mine at.
      Euro M3'87 NogaroSilver/Euro E34 M5 '93/Porsche 993 TT 97' Euro/Porsche 993 Carrera 95' Euro/Skyline R33 GT-R

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        #4
        I can give you my numbers from before and after changing spark plugs and air filter later today. It was a huge difference.

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          #5
          Go! Mine has a 288 cam, and turbo stroked on MS II.
          Euro M3'87 NogaroSilver/Euro E34 M5 '93/Porsche 993 TT 97' Euro/Porsche 993 Carrera 95' Euro/Skyline R33 GT-R

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