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      06-13-2012, 01:15 PM   #18
spr
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Drives: F80 M3; e92 ESS650+ M3
Join Date: Nov 2008
Location: San Diego

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Anyone have start stop in Europe that can chime in on the use and actual fuel gains? Also what is this brake regenerating feature? All have this or is this a EUR thing as well?

I have to say that the mileage is horrible coming from an e46 M3. I enjoy the car but the mileage is no better than my old c55 with a 5.4l so how is it that efficient? Just because it makes more power with less liters?