Considering we don't have any clue of the exact equipment that our German friend has, its a bit of a moot point until he enlightens us.
He may have got his hands on a K-Lab, in which case AFAIK, that will be 35mm only, or if he's adapting other machinery, that could be a whole different ballgame.
My 10p worth, Dwaynes is geared for volume, so asking them to attempt anything wider than 35mm would be a tall ask. If in Germany, Uli is looking at more bespoke work, it may be more readily considered.
Unfortunately, unless he gets in contact, and gives us an idea of what his plans are, even if only in theory, we are all playing a game of "What if"