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OBC Inaccurate



I have an 87 535is (E28) and the On Board Computer AVG MPG is nuts!  Howcum?
I average about 21 mpg on the highway, with some around town, but the OBC
always reads 4-7 mpg HIGH!  What can I do about it?

Thanx

R W Wiles  CLU ChFC
Agency Manager, Modern Woodmen
941 688 9424  or  687 9057
rwiles@domain.elided

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