As far as I know, the very first batch of X5 left factory some times ago. If you are interested in this model, please contact your local resellers.
Who is my distributer/retailer in the san diego california usa area?
I don’t believe they have regional distributors. Moreso just resellers. Here is one that I use - makertree3d.com/
You’d probably get it quick since they ship from a California warehouse.