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  1. Cylinder Misfire - Catalytic Converter

    General E46 Forum
    2004 330i with 170,000 miles had misfire codes which were caused by the catalytic converter. Recently bought the car with a known SES light for lean codes. Fixed those, then had the below adventure. Problem solved thanks to other threads on here. These two in particular...
  2. Service Engine Soon P0300 P0303 P0304 P0306 Misfire/Misfiring

    ///M3 Forum
    Ok guys so forgive me for making a lengthy thread that is already out there but I got a Service Engine Soon Light today and used my friends cheap $40 code reader (bought on amazon) and recieved these codes: P0300 P0303 P0304 P0306 Now, I have done research but all I see is people mentioning...
  3. Car Shaking at First Start

    General E46 Forum
    Hello, I've been having the following issue with my '05 325i for a about 4 or 5 months now and I'm looking for some suggestions before I start replacing more things. Car Info 2005 325i M54 153,XXX Miles Problem Starting the car when it has been sitting for more than an hour, it shakes...
  4. Engine running horrible - lots of codes - HELP!!!

    General E46 Forum
    Ok, here's my history. Got a 2000 328i a month ago. Drove it all the way back to Indiana from Texas and it drove great. No codes, so I thought. A few days later, I noticed it was idling rough until it got to temperature. It would be at 700 rpm's and then almost stall as it would drop to...