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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 05-31-2011, 11:02 AM   #1
Flycaster
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Join Date: Oct 2005
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My Ride: '05 Z4 2.5, '13 ATS
OBC's MPG not working, worth fixing?---Fixed

The MPG indicator on the OBC of my 2002 325 has been stuck at 21.1 for about a week or two--all other functions work. It has been reset to Zero, but comes back to 21.1 mpg.
Is there an easy fix or does the total computer have to be reset?


EDIT:
Wife thought that resetting the mileage was same as resetting the OBC's MPG. I reset the MPG, and it seems to be working now.

Last edited by Flycaster; 05-31-2011 at 02:14 PM.
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Old 05-31-2011, 11:04 AM   #2
Solidjake
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No idea, maybe disconnect the battery for 5 min and see if that does the trick.
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Old 05-31-2011, 12:05 PM   #3
jgold47
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What does the MPG gauge on the car do?
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