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Old 07-09-2009, 12:37 PM   #23
hoveringuy
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Join Date: Aug 2008
Location: Seattle
Posts: 209
My Ride: e30
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.
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