Sounds like its time to force a hard reboot of the radio. Disconnect the battery (-) terminal for 15-20 minutes and see if that fixes it. Don't forget the TPS reset. Key on, do not start. Roll throttle open and close three times then key off. Start and ride as normal.
A forum community dedicated to BMW Luxury Touring motorcycle owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, reviews, and more!