Thread: BMW M3 or 335i?
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      06-22-2012, 04:06 PM   #105
Z K
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Drives: E90 M3
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Quote:
Originally Posted by swamp2 View Post
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).
Every manufacturer's implementation of DI is different. Carbon build up is a big problem for some cars and some manufacturers. This is also dependent on which country the gas is from and how it is made. US gasoline has a high amount of sulfur that isn't present in the gasoline from some other countries so DI has no problem in those places. The key is to come up with a reliable DI technology that works in all car markets. I believe the M3 doesn't have DI because they wanted to have maximum compatibility and reliability in all markets the car sells in.
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