Originally Posted by 335dM
I have a 2011 with near 70000 miles
I was scared and so was my dealer so they inspected the head cylinder by removing it and surprise
No carbon build up
Never had a single issue and I drive it hard
That's what I'm talking about! Hopefully the '11 335d models are less susceptible to the issues popping up on the forum. Pray that I'm not wrong though...