Mount a Garmin XT2 R1200/R1250RT
With E-nav XT2 RT you can support the Garmin Zumo XT2 navigator on BMW R1200RT and R1250RT using the bmw navigator mounting point, Up to 2020 model

Retrieve the rubber cover from the original power cord.

Secure the E-nav XT2 RT power cord with the supplied tie.

The Garmin XT2 is a much better GPS than the Nav 5 or 6, the only down side is it does not work with the wonder wheel