What is this and why is it sticking out?

[bmwm3]

It looks a lot worse in person. Also, how can I tuck it back in so it doesn't look so uneven?

 

[xtofotx]

I have the exact same issue since my windshield got replaced two weeks ago. I tried to push it back to no avail.
Oh well...

 

[puffdaddy]

That's the grill for the front speakers. If the car is new, I would take it to the service center. If not, I'd take the grill out and see that the clips are properly seated. There are metal spring clips that are supposed to be fixed to the dash panel and the grill snap into it.
Here is a video that shows removal and where the clips are