Motorcycleinfo.co.uk seems to be a good source of R 1200 GS info. Here is the wiring diagram PDF:
Motorcycleinfo.co.uk Wiring Diagram R1200GS
Seems to be the same as the Scribed link posted but much higher quality without cropping of pages.

The Motorcycle.co.uk page with technical info on BMW R1200GS bikes is here:
R1200GS Technical Data

Max L.

 

Hi Serge, if you manage to get the ISTA+ software with your language files, with that software you can print all the wiring data of any model.

 

Тhanks for your help. The diagram in my manual is of very poor quality.

 

Welcome to the forum. Haynes manual has them.

https://www.r1200gs.info/threads/buying-2008-r1200gsa-maybe-not.55708/?post_id=337402#post-337402

 

I ran a random 2015 R1200gs electrical diagram search .. .. .. and got this: