There are multiple bugs in F2 career still being ignored since the launch. Most notable: Changing anything in the setup during practice will make you start the qualifying session with full fuel l...
Ideas
In an F2 career, it would be useful to have access to the team headquarters (like in F1) before each race (and before the season starts as well). You could view the points table, calendar, and trophies.
An F2 career (and F1 career, too) should begin with official tests, where you could earn points towards your driver rating.
And if F2 were like that (without the mistakes we see now), we could consider F3 too!