hi.
i changed mileage of a 2013 bmw f30 with fem module.
i disconnect battery, remove dash, put a canfilter (v5) in dashboard and programmed eeprom. put dash back and battery connect.
then new mileage is okay, but it got many errors (for example error saying rooftop is not closed. but it is not even a convertible).
there errors are because fem lost data. dealer is going to fix it.
but what hav