coding

My Bike is a 2018 R1250GS with all the bells & whistles except for a factory alarm. The attached document explains how I was able to get the job done. It involves BMW E-Sys software and an Enet cable. Earlier models may require different software/cables. I did something similar on my 2011...

Basically is it difficult? I am looking at getting some new panniers and the options seem to be £500 for a set of BMW Panniers with coded locks and 2 keys, or £550 for uncoded locks that you code to your own key. So is it difficult to code the keys or is it just as handy to have them coded...