I have to agree with bobcopro on this one. It is NOT normal for a 1200GS to overheat. Even in the hottest weather and slowest traffic, I have never seen my temp guage go more than half way up. Get the bike to your dealer and have it checked out.
Eventual Master of the Obvious
2005 R1200GS | 2013 R1200GSW | SOHC4 208 | DoD 2032 | BMWMOA | BMWRA | YB