Missing particles??

When i start gmod and enter a vehicle i get this in the console

Attemped to precache unknown particle system “WheelDust”!
Attemped to precache unknown particle system “WheelSplash”!

What game do i need to make that work? Money is no problem.

this might help when money is not a problem

COREi7 Gaming Monster

Ehm… I got a good computer already… What game do i need to get these particles
CPU: Core 2 Duo E8500 3.2 ghz
RAM: 4gb ddr2
GPU: Saphire Radeon HD 4870x2 2gb ddr5

Maybe one of the games that have a moving vehicle in them from valve? Hl2 and it’s sequels or maybe the material is missing from the vehicle pack?

well i got hl2. and… it has the jeep