The original post in the OP should really be updated with a few things:
- the location of the slots up above
- the different location of the airbag clips if coming from a non-sport wheel
- and the problem with one of the hub's clips that require sanding down to fit if swapping from a non-sport wheel to an msport/m3 wheel: (refer to my thread here
or post #774 in this thread
and post #527 in this thread.