1987 325Ic With 220,000 Miles
May 2, 2008 about BMW 3-Series
When the low fuel light comes on, the computer tells me that there is around 35 miles left. According to the computer's estimated mpg (I let it sample the mileage for 2000 miles at a time), the car gets 20.5. However, according to my calculator, compiling evidence from adding around 1500 gallons in the last 18 months, the car is getting closer to 23 mpg. So, using to my figures, the reserve tank should go approximately 39 miles.
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