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      02-05-2013, 12:14 PM   #13
Spyderturbo007
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Drives: 2006 330xi
Join Date: Feb 2013
Location: New Cumberland, PA

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Is there a way to diagnose the exact cause of the rough idle? I'm experiencing the same issue with my 2006 330xi when at idle in Drive or Reverse. The issue doesn't occur when in Neutral or Park.

I've read that it can be a dirty MAS, plugs, wires, Vanos or the Valvetronic Sensor. Is there a way to nail down the culprit without a fault code? I had one of the Vanos replaced already before I bought the car because of it throwing a code.

I would have started my own thread, but I'm not allowed, so I figured that since this one was resolved, I wouldn't be hijacking.

sammk, I love your Kat. I have one too.

Video of issue: