A list of online vendors for the most common upgrades in the EU market. List is made for my own need, but will be updated if you have any suggestions
ECU Flash
OTR: http://www.off-the-road.de/en/XT-1200Z/ECU-restriction-removal/ (I sent mine there)
ECUunleashed: http://www.ecunleashed.co.uk/products/motorbike - web pages not very good at the moment. Fast response on emails.
Suspension
Wilbers: http://wilberssuspension.co.uk/ / http://www.wilbers.de/ / http://www.maartensimport.no/Wilbers_dempere-8751s.html (Norwegian)
Ohlins: http://www.off-the-road.de/en/XT-1200Z/Suspension/Ohlins-shock-XT-1200-Z.html
Nitron: http://www.nitron.co.uk/Motorcycles/Yamaha/xt12000z-super-tenere/yamaha-xt1200z-super-tenere-10-11-ntr-race-shock-3-way
OEM parts
Yamabits: http://yamabits.co.uk/yamaha-motorcycle-accessories/yamaha-adventure-accessories/yamaha-xt1200z-super-tenere-accessories.html (best prices on OEM as far as I know)
Luggage/Protection/Farkles
Hepco&Becker: http://www.hepco-and-becker-luggage.co.uk/index.php (very fast response, easy to deal with)
Off-the-Road: http://www.off-the-road.de/en/XT-1200Z/ (Very fast response, easy to deal with)
ECU Flash
OTR: http://www.off-the-road.de/en/XT-1200Z/ECU-restriction-removal/ (I sent mine there)
ECUunleashed: http://www.ecunleashed.co.uk/products/motorbike - web pages not very good at the moment. Fast response on emails.
Suspension
Wilbers: http://wilberssuspension.co.uk/ / http://www.wilbers.de/ / http://www.maartensimport.no/Wilbers_dempere-8751s.html (Norwegian)
Ohlins: http://www.off-the-road.de/en/XT-1200Z/Suspension/Ohlins-shock-XT-1200-Z.html
Nitron: http://www.nitron.co.uk/Motorcycles/Yamaha/xt12000z-super-tenere/yamaha-xt1200z-super-tenere-10-11-ntr-race-shock-3-way
OEM parts
Yamabits: http://yamabits.co.uk/yamaha-motorcycle-accessories/yamaha-adventure-accessories/yamaha-xt1200z-super-tenere-accessories.html (best prices on OEM as far as I know)
Luggage/Protection/Farkles
Hepco&Becker: http://www.hepco-and-becker-luggage.co.uk/index.php (very fast response, easy to deal with)
Off-the-Road: http://www.off-the-road.de/en/XT-1200Z/ (Very fast response, easy to deal with)