The year is not shown.  The rider on the first page is Earl Flanders’ son and wife, if my memory serves me correctly.  I think that some of the photos are of older machines.  BMW did that often, so never trust a brochure photo.

Helpful tips

PC, to zoom in, hold Ctrl and then tap the + (plus) sign as needed.

PC, to zoom out, hold Ctrl and then tap the – (minus) sign as needed.

Mac, to zoom in, hold Cmd and then tap the + (plus) sign as needed.

Mac, to zoom out, hold Cmd and then tap the – (minus) sign as needed.