#1998

  1. Miffysmith

    Emissions Issues Z3 1.9 1998

    Hi all Looking for some advice, please. (PS. i'm not a mechanic, so go easy on the terminology lol!) Car is struggling to meet emissions requirements. I've changed the plugs, cleaned the air filter, and dosed the fuel with an injector cleaner... still, to no avail. I believe the Cat is...
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