Thanks again Jean and thanks for your patience, I'm really struggling with this and I feel that this should be an easy thing but I'm missing something.
These 2 actions work great with a fixed framerate, this is just the result I'm looking for, but using actions which make the control consistent with any framerate.

I've tried what you said, but it doesn't work
use "GetAxis" action to get the horizontal user input as a float.
then use "Rotate" action in local space, per seconds.

I think this is wrong since I'm using an axis value and I guess that I should use a value in degrees instead, so I've downloaded the action "Float Remap" from the ecosystem to convert these -1,1 values into -360,360 degrees but it hasn't work either

I tried to use just a Vector3 in a similar way I used the V2 on the FSM with the "Simple Look" action, but it doesn't work either, so I'm running out of ideas


I've checked the actions ingame and these are receiving the right values from the input in all the cases but the head simply doesn't rotate at all, any thoughts?
Thank you in advance.