This is a color pack for McLaren P1 which includes more skins based on official McLaren colors, I've also included files for silver rims so if you want you can just copy them to each skin.
Included colors: MSO white with gold rims, MSO green with green rims, Aurora Blue, Napier Green, Sapphire Black, Mantis Green, Delta Red, Chicane, Titanium Silver
Just copy all skins to: \Steam\SteamApps\common\assettocorsa\content\cars\ks_mclaren_p1\skins\
MSO White with Gold wheels
Mantis Green with silver rims
Mclaren P1 Color Pack 1.0
McLaren P1 more official colors pack