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135i_vs_ · 10-01-2011, 10:06 PM

To bring this old thread back; I recently installed JB4 tune, during acceleration I also feel the engine vibration sometimes. It feels like going over rough terrain.

Any resolution to this problem?

10-01-2011, 10:06 PM	#5
135i_vs_ Captain 72 Rep 697 Posts Drives: M5, 135i, 335d, F10 550xi Join Date: Sep 2011 Location: CT iTrader: (0)	To bring this old thread back; I recently installed JB4 tune, during acceleration I also feel the engine vibration sometimes. It feels like going over rough terrain. Any resolution to this problem?
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