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Quote:
there is a "sweet spot" between the speed, and the RPM that yields better gas mileage... not sure what the sweet spot is, but you are probably driving in that spot... the 4.8is performs better in the MPG department than the 4.6iS did... I guess, due to extra gear in the transmission...
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E53 X5 4.6iS 147K mi - Sold May 2013 Tireprints left in: USA, Nicaragua, Costa Rica, Panama, Russia E53 X5 4.8iS built 2005-10-17 66200 mi - June 2012 96000 mi - June 2013 112000 mi - June 2014 OEM fire extinguisher OE first aid kit OE tow hitch OE TV module OE aspheric mirror K&N air filter black/white badges rear camera 4-channel video recorder Here is the list of things I have done to the X |
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