Looks OK but, looks are deceiving.
The photo shows a missing plastic cover on the right side, just under the tank as well as a missing windscreen. Do you have those?
Keep us informed as to your resurrection progress. If all is well, you have a bargain BMW GS of a desirable vintage.
We don't yet know if your bike has linked ABS brakes. Hopefully if so equipped, the ABS hydro unit is in working order.