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Old 12-06-2012, 09:31 PM   #10
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Join Date: Apr 2010
Location: Murrieta, CA
Posts: 9,223
My Ride: '94 325iC & '00 323i

The fuel gauge is nothing more than an indicator of the difference in F and E. The tank is larger at the top than the bottom, so you can go 200 miles on the first 1/4 tank of gas, and 100 miles on the last 3/4 tank. This is normal.

When the gauge says 1/4, it is safe to say that you need more gas soon. When it says 1/8, then the urgency is increased. But just because you can drive for three days on the first 1/8th tank and only three hours on the last 1/8th does not mean there is something to be fixed.

Last edited by jdstrickland; 12-06-2012 at 09:33 PM.
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