Look for this in shooterinput.ini and add the values as following.
There are 2 sections where this settings are, you have to change both. Speed=1 can be anything. Im not sure but I think Speed=1 is the real mouse input because when i set it to 2, I have to halve my ingame sensitivity.Code:Bindings=(name="MouseX",Command="Count bXAxis | Axis aMouseX Speed=1.0") Bindings=(name="MouseY",Command="Count bYAxis | Axis aMouseY Speed=1.0")
This is the only thing I've found to change the input somehow, not sure if its a good thing or a bad thing.