Thread: BMW M3 or 335i?
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      06-17-2012, 09:31 PM   #103
swamp2
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Quote:
Originally Posted by adc View Post
Well, DI seems to come with some unpleasant side effects for long term reliability, such as carbon build -up. I think i read that Benz is introducing a hybrid DI-port injection system to eliminate the carbon buildup problem.
I've heard the horror stories from a few models. However, the number of cars and models using this is HUGE. For example every V6 Ford Ecoboost has DI. I suspect it was somewhat of an isolated incident(s).