After 2 weeks of trouble shooting and sleepless nights, the car is running like new! All I have done this afternoon is pull the camshaft sensor and start the car...it immediately ran better with the sensor removed. I then cleaned the sensor and put it back. Since then, the car has been running better than ever.

I will keep my fingers crossed that this is the end of this issue.

I would like to thank all of you that took the time to help me out. This place is awesome!

 

Ed - I know it’s been a while, but did the new camshaft sensors finally fix you misfire issues? I’m in the same situation with my 09 R56 - P0303 misfire and rough idle when engine is warm. Thanks.

 

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