when i play bf4 theres a sightly wrong movement of my mouse when i move it above down or left right.
Could you please explain what doesn't feel right?
While you do that please check your mouse sensor for debris and verify you are using the correct in-game settings.
Sensitivity: 100%
Zoom Sensitivity: 200%
Uniform Soldier Aim: Disabled
Advanced Options: Default (100%)
Coefficient: Default (133%)