Hey kunda

Go to c:/user/mydocuments/bfbc2/ and open settings... Example

[WindowSettings]
Width=1280
Height=1024
Fullscreen=true
RefreshRate=60.019741
VSync=false
[Sound]
Quality=low
VoipEnable=true
[Graphics]
Effects=medium
Soldiers=medium
Vehicles=medium
Overgrowth=medium
Undergrowth=medium
StaticObjects=medium
Terrain=medium
Shadows=medium
Bloom=true
HSAO=false
MSAA=1
Water=medium
MainQuality=low
Texture=high
DxVersion=auto
Aniso=2
Detail=medium

Switch all mediums or lows to High
then Dxversion switch that to:
DxVersion=11

Probably your pc already got all on high i suppose exept the DX, ANISO might be the Antialiasing, ive been seeing some people having 4 on their documents, explore that yourself, not sure how much bet supports. Or even if it supports DX11, i didnt think it did, but people keep changing their settings through this document to 11.

Anyway, try and tell me if you see any difference.

Actually, ignore that post, been on ea forums and they released a more user friendly tool to change your gfx

ohlawl.com/liseda.html

download it