Originally Posted by Puerto Rican 335d
Seems like 2 out of 24 posts with carbon build up, not bad, but interestingly most of us who beat the car like a two cent whore dont have any problems as of yet with carbon build up, its suffice to say that our cars have to be driven HARD so that this issue cannot come later. What do you think Chris on this?
Hard to say Axel, so many variables to consider as to what is causing the issue in otherwise low mileage vehicles e.g. driving style, fuel quality, timing of ecu/egr reprograming/replacement etc. Needless to say the issue, although rare, is cause for me to have some level of concern.