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Speedometer vs. OBC avg MPH (archive)
[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]
Posted by Keith '88 750il on August 11, 2001 at 23:01:56:

Has anyone performed an "instantaneous" reading from the OBC for MPH. I do this by going hitting the AVG MPH button and the hitting the S/R button. I assume that the first reading that is given is an "instantaneous" reading.

Using this method at about 60 MPH, my OBC is about 7MPH different than my speedometer. I believe that the OBC is correct.

Does anyone have any experience with this? Is there a way to adjust or calibrate the speedometer?



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