Required assets
Payware: 

Virtual Railroads:
DB Bnrdzf VRot Diesel / BR218 
DB BR218 VRot ExpertLine
DB BR111 Regio ExpertLine
DB BR111 VRot
DR Komfortwagen Typ Z2
DB InterCity Wagen

3DZUG:
Compartment Coaches Ame, ABme, Bme

Freeware:
Everything should be included in IKB3!

I hope i did not forgot anything!