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  1. Misfire impossible to diagnose

    General E46 Forum
    Hello all i misfire thats almost impossible to diagnose I was driving home one day in my 2005 325xi and the engine light came on the car started to misfire and was about to stall, i scanned for codes and got a p0306, I cleared the code and everything went back to normal for 3 days Then after...
  2. 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...
  3. 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...
  4. p0300 and p0306

    DIY: Do It Yourself
    Hey Everyone, I drive a 2002 BMW M3 and it just started throwing some codes out of the blue. P0300 and P0306 when I looked them up it was cylinder 6 misfire, and random/multiple cylinder misfire. I checked the coils with the meter and they all read 1.1-1.2 ohms ;. Which is good. Then i replaced...