Farkles on the RS

[Ray]

Anyone have particular must haves/dos for the RS?

Absolutely must haves or dos? No.
None I think would be universal. 

Ride it for a while. Your must haves will become apparent. 

For me:

• K1300 metal pegs to replace the squishy rubber tubes on the OEM pegs. 
  
• Sport seat 
  
• OEM cylinder head guards (that get more ventilation than some of the (nicer) machineartmoto guards - ventilation might be important on high-rev, summer days in your neighborhood) 
  
• Tractive suspension through Jeff Favorite at the Beemer shop. 
  

That's about it. I did throw some sliders on and twice scratched some of them.

After 55,000 miles including a fair amount of gravel, one of the mechanics suggested a radiator guard - R&G makes an easy-to-install and remove version I now use. 
In the same vein, I went ahead a got a machineartmoto mudsling to protect my shock. Also, easy on - easy off. 
I don't consider these "must haves," though longterm, good radiator function has become a must have on these big bikes.