1200GS - what would be a reasonable price?

Lets say a 1200GS as follows comes on the market, what would be a reasonable price?

2009 Specification (ABS, ESA, TPC) (registered February 2010).
25000km, all services done at Atlantic in Cape Town.
Extras:
- Beak extension
- Light cover/oil cooler cover
- Upper and lower crash bars
- Rider and pillion wide footpegs
- 2 finger levers
- folding/adjustable gear shift
- BMW cylinder head protectors
- Trax pannier and top-box brackets (no panniers)