Thanks for replying!
Well, I put the animation from C4D in a comp in AE, put the alpha channel above it and I get the isolated object. Then I activate the frame blending mode and even if I use very high settings for the options of CC Force Motion Blur, nothing happens. Not even in a precomp.
I have to confess that the motion of the object is really slow. But even with exaggerated settings I couldn’t see any difference.
Is it because of the slow motion or is it because you can’t add a motion blur to a object isolated with an alpha channel?