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Transmission Software Update Performed = Lousy Mileage
I had my transmission software updated in late-September. While I can say the driveability has been greatly improved, my gas mileage has been abyssmal to say the least. I went from getting 15 to 18 mpg down to 10 or so. I only get about 200 to 210 miles per tank. Granted I'm heavy in the foot and do mostly city driving, but that was the case prior to the reprogram.
Anyone else run into this?
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08 BMW X5 4.8i - GONE after 6.5 yrs
Space Gray / Light Beige
Premium, Sport, 20's, Technology
SAT, Rear Climate,Heated
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