First of all,
Last year I bought my K1200S with about ~50000km on the meter and what a bike, i love every second of riding it.
But it started to die on me on idle, and just idling rough in general but only when warm.
After a lot of searching and research i found out that someone...
I have a 2008 K1200s, 38000km. Serviced every 10,000km, The last service at 30,000km I had the plugs changed and valve clearance checked etc.
On my work commute I spend about 20 min on the road doing ~120kmph (75mph), after 20min and I slow down at an intersection and ride slowly...