Bug texture from the fashion (Grand Theft Auto 5)

You can tell someone)
There are a lot of mods ranging from Visual, NVR which alter the visual component.

And here is the mod for improved police, investigation and so on.
Realism Dispatch Enhanced 3.1.1
Spoiler
And most likely there is a conflict with some other mod and the police jeep bug with flares:
Spoiler

Prompt in what side to dig, what texture is responsible for it to the original MB to replace to try