I also just got a Bosch 1617EVSPK with both bases and the case. If you look carefully, there are small diagrams in the case plastic showing what goes where.
The collet wrenches go on the left, the “T” Allen wrench (for above-table adjustment) snaps into a holder between the two bases on the bottom. The second collet fits near the collet wrenches. The manual fits into a slot in the lid.
Not included in the kit, but there are spaces in the case are for several bits of both shaft sizes along the edge below the bases, for both dust shrouds on the left above the plunge base above and below the hinge, slots at bottom right for several sizes of bushings as well as the bushing adapter. Looks like centering tool has a spot above the hinge on the left.
Pretty clever, actually, if actually transporting the kit to a work site, which I might be doing when helping a friend build his kitchen cabinets some day.