I managed to completely remove motion blure and the film Grain from the game.
Proceed as follows:
Go to the steam folder and create a text file with the name user.cfg where the system.cg is.
Copy and paste the following:
sys_spec = 1
r_MotionBlur = 0
r_HDRBloom = 0
e_fog = 0
r_PostProcessEffects = 0
g_radialBlur = 0
r_SilhouettePOM = 0
r_ColorGrading = 1
r_ColorGradingSelectiveColor = 1
r_ColorGradingLevels = 1
r_ColorGradingFilters = 1
g_radialBlur = 0
r_HDRBrightLevel = 0
r_ChromaticAberration = 0
r_HDRBloomRatio = 0
r_ShadowBlur = 0
Works in both online and offline mode.
Restart the game and enjoy the clear graphics.
By Icebreaker