Do not use generic file hosting sites. Go to the communities that OMSI trusts:

exist, ranging from basic freeware to highly detailed "MegaPacks":

: This is widely considered the definitive version. It includes multiple drive types (Diesel, CNG, Hybrid, and Electric) and door configurations. Patreon Content : Exclusive early-access or "Full" versions of the Solaris Urbino 18 IV Electric

: A version of the Solaris Urbino 18 IV Electric is also available for City Bus Manager, which shares similar assets with the OMSI 2 modding community. Popular Repaint and Mod Resources

: Some simplified versions or specific variants adapted for the City Bus Manager or general OMSI 2 use are available on the Steam Workshop.