Leebmann in Germany:
http://www.leebmann24.de/bmw-perform...r-e90-e92.html
http://www.leebmann24.de/bmw-perform...1-e92-e93.html
Now, I ain't sure what the difference is.
If anyone could explain...
No papers for the X1, so not legal (here in Belgium, don't know in US). True proper BMW channels you could get it road legal (here) on a 1er and 3er but not on X1. Discrimination! I like them a lot.