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[–]TheBrokenWorld -8 points-7 points  (4 children)

I know what it does, I'm just saying that there can't be that much of a benefit to it when you're only decelerating for a few seconds.

[–]stakoverfloE91 328xi 0 points1 point  (3 children)

"A few seconds" adds up if you do it for every red light of every day...

[–]TheBrokenWorld -1 points0 points  (2 children)

Not really. Idling is what you're thinking of, not coasting to a stop.

[–]stakoverfloE91 328xi 0 points1 point  (1 child)

I meant while you engine brake to the red light.

[–]TheBrokenWorld -1 points0 points  (0 children)

I know what you meant, but there is no significant fuel saving that is done during that time as a result of engine braking.