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Old 07-09-2009, 02:10 PM   #24
HighBoostin330
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Join Date: May 2003
Location: Bay Area, CA
Posts: 5,266
My Ride: 2002 Stock 330Ci
Quote:
Originally Posted by hoveringuy View Post
Looking through the WDS the OBC doesn't have a discrete fuel consumption signal wire, it is computed by the cluster directly from data off the CAN bus.

If that is the case, the ONLY way to correct would be through software.

CAN is 1/2 the reason I converted my M54 to OBD1.
The correction factor is in the instrument cluster, not the OBC. So using what you said, I am trying to change how the instrument cluster calculates the data off the CAN bus to display to the driver. What am I missing here?

In any case, I'll try this when I get my car back. Although I do have INPA to try it with if this doesn't work.

Have fun with your OBDI.
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