No, you wont, not at that high res, well it will run but not in a playable frame rate anyway. If you want to make a good surround you´ll have to make your 670 a sli. Regards
Here are some reviews of the GTX 670 in multi-monitor resolutions:
http://www.overclockersclub.com/reviews/nvidia_gtx670/
http://www.anandtech.com/show/5818/nvidia-geforce-gtx-670-review-feat-evga/ http://www.bit-tech.net/hardware/2012/05/10/nvidia-geforce-gtx-670-2gb-review/1
http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/54705-gigabyte-gtx-670-windforce-oc-review-16.html
http://www.techpowerup.com/reviews/ASUS/GeForce_GTX_670_Direct_Cu_II/
It looks like BF3 is going to run in the 30 to 40 FPS range. You may want to lower settings and overclock, but it should work fine.