Yup we've been using the Axxis pads on our cars for a long time - really generate less dust.
Here is a picture example, its on an E46. Maybe you guys want to do one on an e9X. Not even a fair one as 85% of braking is done on the front but gives you an idea.
[IMG]http://www.**********s.com/images/Products/Axxis%20Brake%20Pads/axxiscomparisonFINAL.jpg[/IMG]