Runiran Volvo B12B TX R9700 Dealer fix & Retarder sound for 1.31

Volvo B12B TX is fixed for version 1.31.
– Retarder sound fixed
– Kamil Koç and Ulusoy skin injected

This is a patch file, so you need to activate it with the original mod.
You can purchase this bus from VOLVO dealers.
If you want to share this mod, please use the original link.