View Single Post
      12-19-2012, 05:12 AM   #8
Newby
1Mtech
0
Rep
62
Posts

Drives: BMW
Join Date: Aug 2012
Location: Australia

iTrader: (0)

N55 engine is direct injection, fuel is injected directly into cylinder. Unburnt fuel on valves makes little sense. More info is needed, inlet or exhaust side? Manifold or combustion chamber side of the valves? How did they come to this conclusion?
Appreciate 0