Originally Posted by rantarM3
The only race-like seats you should even consider for a street driven M3 are the BMW Performance seats since they have airbags. I'm not aware of any other seat that has side airbags and considering the way people drive these days, you need all the protection you can get.
If you ask me, those are a total waste. They're a little better than OEM but nowhere near as good as a fixed back seat for holding you in.