NO, the e92 spoilers OR trunk will not fit on the E93... they have different lines and is slightly curved.
i found this one @ jl motoring
duke dynamics also makes a spoiler, as well as a trunk.. hope this helps
Mods: Tints|Arkym Lip|3D-Design Diffuser|IND Gloss Black Grills, Gills & Badge|Trim Wrap|MS Stud Kit|AE Performance Exhaust|RPI Mid Pipes Catless|RPI Scoops|BMC Filter|MS Pully|V1|Evolve-R Tune|KW Sleeve Kit|VMR V710|CSL Carbon Trunk
Future Mods: BBK|Vented Hood