For this repaint you will need the VR BR101 InterCity ExperLine
https://virtual-railroads.de/gb/train-packages-el/58-db-br101-intercity-expertline.html

Step 1 : Extract the .rar to your Railworks folder, make sure the .bat file is in your ASSETS folder otherwise this repaint CANNOT be completed.

Step 2 : Execute the Bat folder, if the .bat asks to overwrite, say yes.

Step 3 : Enjoy your repaint.

Note ; that i'm not liable for anything, in case of a problem please contact me.