Number two: the clutch
mount the new cylinder for the clutch from Ellemotors-Italy. It will reduce the effort at the lever of 40%. More important, the extended run of the lever will allow you to manage the clutch with incredible precision.
You will be able to play with the power of the engine and do whatever you want with it!
If you are a perfectionist like me, then buy also the clutch lever from Bolcato. You will be pushed in a new dimension. Much better than the clutch of the BMW GS!
Number three: ergonomics
I'm 180 cm tall, so I've mounted 3cm lowered pegs. Few days ago I also mounted the handlebar risers from SW-Motech (3 cm higher).