THe file "E189 084-7 railion repaint" needs also:
- http://rail-sim.de/railsimnew/index.php/downloadscat/viewdownload/61-e-loks/819-db-br-189-es64f4
- http://rail-sim.de/railsimnew/index.php/downloadscat/viewdownload/61-e-loks/526-br-189-siemens-es-64-f4-repaints
And you have to select in game all the "Kuju", "GermanRailroadsRW" and "astauder" assets. 
That's all. Enjoy !