I'd like to know as well. I met the brother of the owner of f1 and he recommended me to them. But from what I've read, there have been a couple of complaints about their service. Google lol.
'08 E92 ///M3
- AW/BLK/CF, M-DCT, 19's
H&R, Vorsteiner, Eisenmann, BMC, BBS More to come...