View Single Post
      07-15-2012, 04:29 PM   #5775
Jake@MOTIV
Captain
Jake@MOTIV's Avatar
83
Rep
949
Posts

Drives: 135i, 335i
Join Date: Dec 2009
Location: MD & NC

iTrader: (7)

Slight carbon buildup on the exhaust tips? Unburnt fuel comes out and will cause tips to get darker. It's nothing to worry about.
Appreciate 0