These CV3 are 9x20 ET25 for the front, and 10,5x20 ET30 in the back.
@Gti6cyl: I think it sounds great (I heard it on a 530i which is the same block before ordering) - will see if I can make/post a short video. The exhaust is custom-made for my car - not something one could buy off the shelf. And yes - engine is modified, why not