Ok.... Here goes nothing....
Black clips clip onto bonnet edge first.. Screw hole on top of bonnet, bonnet paint protected by the felt in the clip.
Position the clips roughly.. On bonnet using deflector as a guide.
Then put screws in to plastic black cup, and insert through top of deflector, and screw into the clip underneath using the supplied threaded hole in the clip.
Repeat for all clips, this now means that the deflector is screwed on the clips and held on bonnet, do not put the screw caps on yet!
Now put the adhesive circles onto the large flat end of the rubbery bump stop thingies.. One each. As you do this, put the bump stop at the raised back edge edge of the deflector, this prevents this edge pushing down due to wind force.. Note sticky bit goes on deflector and not your paint..
Having done all that, tighten all the screws, and then put the black covers on the screw cups.
Job done.. Have a beer