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Old 10-19-2012, 12:15 AM   #5
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Join Date: Jun 2009
Location: Wisconsin
Posts: 1,067
My Ride: 323i, 530i, Z4 3.0i
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Originally Posted by ryannel2003 View Post
Welcome the forums! I bought a bit of a fixer upper myself so I understand where you're coming from with that.

Honestly though, the rough idle could be anything. I would suggest searching for user "jfoj" and clicking the links in his signature. He has a whole list of things that could be related to the idle. As for inside the intake, mine looked similar and I have no performance issues so I wouldn't worry too much about it. Curious, do you know if anything on the cooling system has been replaced? At that mileage, you're looking at the least a water pump, expansion tank, and thermostat. It's very easy DIY. I'm not a mechanic and I never worked on my previous cars, but these are very easy to work on and the parts aren't that expensive either.
Listen to this man.

No codes being thrown? If you are slightly decent with computers, wouldn't be a bad idea to grab a blue VAG-COM KKL cable (FTDI chipset) off ebay for $12 and reset adaptations, read out fault memory, etc.
E46 323i Sport/5 speed | 243k miles
E85 Z4 3.0i Sport/6 speed | 117k miles
E83 X3 3.0i M-Sport/6 speed | 130k miles
E39 530i M-Sport/5 speed | 237k miles
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