On some new models, and some cars that have received recent dealer updates the full set of cruise control buttons are no longer useable for RaceROM input. There are also changes to the firmware of the dash display unit which means the tacho can end up being erratic at idle and jump up and down.
This happens because BMW have updated the front electronics module (among others) which means that we can't read the cruise control buttons properly. We can only read the up/down rocker switch.
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