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      10-31-2012, 09:56 PM   #2
GMWNashville
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Drives: 16 F80, 12 F25, 06 E90 330i
Join Date: Jan 2008
Location: Nashville, TN

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Quote:
Originally Posted by ericruiz911
Hey everyone,

Car is currently at the dealer because I was doing maybe 70 holding constant and I started feeling a slight jerk back and forth. I switched to live MPG on dash and it was jumping from 32 to 26 and back and forth. I would accelerate and it would be fine until I would hold it at a constant speed. The dealer cannot seem to duplicate. Has Anyone ever experienced this?
Only thing I've had give that sensation in an n54 engine is carbon buildup