Well I mounted the new M3 tiller last night, and after a few setbacks initially as I couldnt work out how to release the airbag following the DIY on here, I researched a bit more and found another thread which displayed where I was going wrong (I couldnt find any holes in the wheel hub)
These pics display it quite well:
v's in the DIY
I was sticking the screwdriver in behind the steering wheel trim, turns out there is two 'flap' type openings in the hub of the steering wheel.
Old:
Minus the airbag (those airbags are bloody really heavy!)
And the new tiller mounted:
On another note I think I'm going to go ahead and purchase a set of brand new bmw performance 313 rims:
http://www.bmrautowerkes.com.au/prod...to[655]/0/
What they shall look like mounted: