Quote:
Originally Posted by vtvette
...Could switching the LCM have effected the displayed mileage?
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As TX5 has already answered...yes, swapping in a used LCM from another vehicle can create the situation you have. There are six data points listed in the info below...and ALL six data points must be addressed to install an instrument cluster or LCM.
For the most part, BMW dealerships can only install new modules or officially re-manufactured models whose mileage has been "zeroed" (BMW dealerships BMW DIS/GT-1 equipment can't do this)....see the 1st paragraph after the 6th data point below. There is aftermarket software/hardware that can...but it's not simple due to...if it was "easy" it would then be real simple to roll back BMW odometers...thus installing used clusters and/or LCMs is complicated...not impossible...but not easy without understanding what must be done (the six data points) and the equipment and software to change/re-write to the modules: