Since Rhein-Ruhr Ost is coming soon for TSW 2, it would be great to have the BR 1444 in the DLC since right now they are operating the S8. Here's a picture of what the train looks like.
Very good request but I dont believe they will add DLC to old routes. I think they would rather add the normal 440 to München-Augsburg.
The BR class 313 is in planning for East Coastway and the DB BR 363 is in production (Im pretty sure.)