I have kw v1 coils. They are not at the lowest setting which I think would be pretty slammed based on my ride height now.
I don't think you have any options other than getting coilovers if you want slammed on an xi
Jet black e92 6mt 335xi:
18" BBS RGRs, KW v1, ESS Stage 2 flash, VRSF 7" FMIC, VRSF downpipes, JG Mods m-tech front, mtec V3 AEs, BMS OCC, hardwired valentine 1, p3cars gauge, amber delete, sport seats, factory oil cooler.