I have a set of TR MT1 wheels made by Enkei. They are 18x9 and 18x10. Ultra light at 17-18 lbs. Perfect for z4m and e46 m3. This config is no longer offered. They are now only available in18x9.5. Here is some more info.
https://blog.tirerack.com/blog/roll-...-and-wheels-v1
Let me know if you are interested.