You need the GTG commons mod and the D-Troxx colorable truck rims mod, both linked in the description of the T-series expansion. Also make sure to clear your cache if parts aren't showing up. OT:
*sweating profusely while triple checking to make sure he's posting this in the right thread* Take a trip to No Texture Land, it's pretty orange here Basically every old map
You know I am very skilled, and WHY DOES EVERYONE KEEP QUOTING ME ON THAT? and stop posting yellow cars, pwease.