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Have you noticed any gains or losses in fuel economy?
My dad just got an X5 35d and is looking for ways to make it more fuel efficient, I am fairly certain that the mileage will decrease based on what Mike said the chip does. But is there a way to turn the pot negative, and turn down the turbos and injectors? Mike, any comments?
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Current: 2023 G20 LCI M340i xDrive
History: 2005 E90 325i > 2008 E90 328xi > 2011 E90 LCI 335i xDrive > 2013 F30 328i xDrive > 2016 F30 LCI 340i xDrive > 2020 G20 M340i xDrive
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