You will think why is my k/d 2.74 well i will explain you guys.
When i start playing bf3 in de begin i had Pentium D. I had only max 20 fps in game in metro. I have played with this pc 4 months. Now with new i5 2500k i have managed my stats till kd 2.74 and going up. You can see my real stats with new account and new pc.