View Single Post
      03-02-2015, 08:47 PM   #10
Wardman
Lieutenant
91
Rep
403
Posts

Drives: F15 X5d
Join Date: Sep 2011
Location: Philadelphia

iTrader: (0)

I heard the same thing early on. sounded like a flat spot on a tire (out of round) but I think it is the engine sounding different and bouncing off the street into the cabin. I don't notice it after 4000 miles now.
Appreciate 0