Dovre- 20 FPS and crash.

[xX-=Arrow=-Xx]

I get an FPS drop from 70 to 20 when I look towards east when I'm in the west part of the map and then crash.

I play on a computer that can run BF3 on all high so I find it really strange, I have the latest driver.

Specs:

Graphics card: GTX 670

RAM: 8192 MB

CPU: i5-3570k

OS: Win7