Yeah, international shipping gets expensive but buying parts from a local dealership isn't exactly cheap either. Don't know what your local options are, just recommending that you stick with proven brands that won't fail again in 5-10k miles.
There is nothing securing the bracket to the arm other than the one nut, it's probably just stuck. Be very careful not to break the plastic arm or pull the little ball joints apart trying to free it.
04 IR 330i ZHP | ESS TS2+ SC | MagnaFlow "headers" | KMS 3.64 LSD | AST 4100 550/650| APEX ARC-8 18x9 | H&R front sway bar | Vorshlag camber plates, RTAB limiters | TMS subframe & swaybar reinforcements | UUC SSK & DSSR | UUC TM & TME | BW motor mounts | Dinan strut & shock tower bars | vaio 4-bolt oil pump