I'm not a professional, but I tried to make a Citroën Racing F1 Team, hope you enjoy it!
(You need to use EGO ERP Archiver to use the mod, you just need to replace the renault.erp files with the ones you've downloaded)
Please vote which one of these teams you would like to see done in RD! http://strawpoll.de/rawc671
Somewhere in 2019: "After dominating the World Touring Car Championship (WTCC) and the World Rally Championship (WRC) for years, the Citroën chairman finally decides to take apart in the F1 world, and take on different challenges, what the company need. After the news came out, that the struggeling Renault leaves the F1 after another terrible season, there's an open space for Citroën..."