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      06-09-2010, 01:45 PM   #8
TP 135i
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Drives: 2008 135i SGM MT
Join Date: Nov 2007
Location: Finksburg, Maryland

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Quote:
Originally Posted by ND40oz View Post
You're using more fuel when coasting out of gear, as your engine now has to idle. If you're in gear, the engine is still turning, it's not off, just the fuel injectors aren't injecting any fuel. Everything is still turning in there without using any fuel at all, which is what provides engine braking.
So if the injectors aren't injecting any fuel, there is NO combustion going on...just a spinning engine. That would mean that the engine would have to restart it's combustion cycle when you, once again, activate the accelerator pedal. Is that right?
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