I recommend that you not use visual effects (boxes, lines, chams) this is the first reason to have ban your account.
Many hacks vip say "our hack block this", but it is not true, the system sometimes capture screenshots at random via GGC Stream, can be yours.
Moreover, not all the time killing with headshots. Always treat your score is acceptable if compared with the other players.
I play Battlefield from 2002 (BF1942) and got some ban accounts for this reason. Good Luck !