anybody else have notice this behavior. it seems like when the temp outside fall below 35 degrees. i use more fuel than when temp higher that 50 my job is 20 miles away on warm days. i gain miles but on cold day i loose mile according to the onboard range display. also when i fill up the tank full to the hill gauge in the corner showing full the range shows 380 mls then other fill up it might show 411 mls last week fill up only show 360 mls even though on option 6 on the obc show 27 for gallons.thanks

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4/02 x5 3.0i AUTO BLACK
KISSIMMEE FL