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2002 e46 320d MPG computer

1K views 1 reply 2 participants last post by  mark@vorny.co.uk 
#1 ·
Hi,
I have been using the INPA software to try to change the calibration of the on board computer. The mpg readings have always been a mile out, i changed the default value to a smaller number and so far the OB computer says my mpg has gone up to nearly 70mpg (47-48mpg actual). The thing is the estimated fuel range has dropped from about 850 miles for a full tank to a more realistic 670 miles.
Has any one managed to get it to give more accurate figures?

Shrekster.
 
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