Just found the function that should tilt your head, but even when I set it to 2 units, nothing happened.. How to get head tilt to work, would be pretty nice, altough not so practical .

Myabe your getting confused with the "Pitch" option . tilt afaik is how much the drivers head moves under G (only seems to "tilt" forward backwards)

I just have my head tilt on the standard setting BUT i do zoom in abit or Zoom out so i have a space between the side mirror and the edge of my screen. I use that because i have a good view of the track, and the cars around me.

it's also up to your setup (esp tyre pressure ) to see it. I have it set to high values so it gives me more immersion with gforces. What I cant notice is the head tilt on driver's animation

Head movement on driver's animation is noticeable when you stand still and steer fully left/right. When he does the hand-over-hand animation, the view moves a bit. I think he also looks a tiny bit into the corner that way, though you don't really notice it during a race.