When BMW launched their F650GS the manual was only available in CD form, and there was no overall diagram ,just a series of individual diagrams.
OK, they were easier to follow, which was good, but they were also easier to change, which happened all too often, with the old diagram just vanishing.
So if you had a 2000 bike and bought the CD in 2005 you were stuffed unless you retrofitted the revised components and wiring!
Not saying this is the case with the Hima, but there is the possibility that some parts have have been changed and the dealers are the only people who have the technical bulletins which go with any revisions.
When they feel they are done changing they might do a final diagram- who knows!
In those days few had broken BMW's code, and the SA guy who developed the GS 911 code breaking unit in an effort to get 20 odd bike he had bought for a safari business running ended up discovering that his problem, and mine, was in a component that no one had any record of seeing on any drawing from BMW!
And the GS 911 did not pick it up!