UPDATE TO MY UPDATE - Pretty sure the cargo ship Tristan dropped off the Glacier Silver X1 s28 with premium package I had a deposit on this last Wednesday, and it seems to be "awaiting shipment" to the dealer as of this morning. I understand those updates can be 48 hours behind, so maybe it is actually there (South Bay BMW, greater LA area).
However, skipping over a long story, my CA told me she would understand if we "released" the Silver X1 with only premium pkg to find/order an X1 with everything we actually wanted/desired. And we have done so, as of this morning. Story elsewhere in the forum, under "Ordered from Beverly Hills BMW".