Thanks, Marmon! I get the picture now.
Re: the Z-F dropbox; it may well be an engineering masterpiece, but if past experience is any guide, I'll bet it is a 6-to-9 week wait for the simplest seal and they'll need to know the full serial # so they can tell which shift it was made on, and which of 27 engineering revisions it incorporates, etc. Between them and Bosch I know I'll never own a European car!