I replaced the pulleys, oil filter housing gasket, belt, cleaned VANOS and a seafoam treatment... But my car still didn't feel right. My friend had a MAF sensor for me to try... Sure enough, it corrected the rough idling. I had tried cleaning my old one, but i guess it just went bad after 6 years and 110,000 miles.
I took the car to my dealer for a tune-up quote, and decided for that price I might as well just put the money down on a new car. So i left in a 2013 328i xdrive with 22k miles... I'll let them deal with the tune-up lol
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