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Old 07-11-2012, 08:39 AM
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Join Date: May 2012
Posts: 5,338
Mein Auto: 2013 750Li
That's good to know. My dealer said that it would affect the gas mileage and the Dinan website eludes to the fact it may use "slightly more gas".

MPG with Performance Software on a turbo car?:
This is the beauty of a turbo engine. When the engine is not in boost (below about 3K rpm) it is sipping gas like a small non-turbo engine would. It is only in higher boost levels that more fuel is used. It all depends on your right foot, if you drive gently the car will use the same or slightly more gas than stock and if you drive it at wide open it will use more.
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WR 12.50 @ 112.05 MPH 9/18/14

Last edited by PREDATOR 007; 07-11-2012 at 05:55 PM. Reason: Spellin
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