Payware:

AP-Wetter
https://www.armstrongpowerhouse.com/index.php?route=product/product&product_id=197

RT Lint 41
https://www.railtraction.eu/train-simulator/multiple-units/diesel-multiple-units/br-648.html

RT IC2 (nicht zwingend, nur 2 abgestellte Züge)
https://www.railtraction.eu/train-simulator/train-sim-add-ons/electric-locomotives/db-ic2-intercity.html

RSSLO 187 (nicht zwingend, nur 2 abgestellte Züge)
http://www.rsslo.com/product/traxx-3-br-187-copy/

RT Twindexx
https://www.railtraction.eu/train-simulator/train-sim-add-ons/electric-locomotives/db-regio-twindexx.html

BR 440
https://store.steampowered.com/app/376956/Train_Simulator_DB_BR_440_Coradia_Continental_Loco_AddOn/?l=german

BR 442
https://store.steampowered.com/app/258656/Train_Simulator_DB_BR_442_Talent_2_EMU_AddOn/

TTB Szenariopakete 1-3
https://www.trainteamberlin-shop.de/rw-szenariopacks/

RSSLO BR 612
http://www.rsslo.com/product/br-612/

vR S-Bahn der 90er
https://virtual-railroads.de/de/elektrische-lokomotiven/205-db-s-bahn-der-90er.html

Freeware:
BR 187 IC2 (nicht zwingend, nur 2 abgestellte Züge)
https://rail-sim.de/forum/wsif/index.php/Entry/4664-EL-BR187-IC2-Version-V2-00/

BR 612 BLB
https://rail-sim.de/forum/wsif/index.php/Entry/2008-STWS-RSSLO-BR-612-Repaint-Pack/

Twindexx BLB
https://rail-sim.de/forum/wsif/index.php/Entry/4438-AL-RT-Twindexx-Vario-Bahnland-Bayern-Ringzug-West/

Talent 2 neutral
https://rail-sim.de/forum/wsif/index.php/Entry/2116-FFTM-DTG-Talent-2-DB-Repaint-Pack-V1-3/

BR 440 Mittelfrankenbahn
https://rail-sim.de/forum/wsif/index.php/Entry/2386-FFTM-DTG-BR440-Mainfrankenbahn-Repaint/