Just got off the phone with Magnum tech. The 2019 version of the Das Kit C7 display has an easier way to switch between miles and kilometres. Instead of going into settings with passcode 8088, all you have to do is power on the display and then hold the + button for a few seconds until the mph starts flashing. Then press + or - to switch between flashing mph and flashing kmh and then tap ‘set’. The tech said everything changes and I confirmed speed is now kph. I haven’t tested the odometer or trips yet.