Hey...I realize you posted this back in Jan '12, but if you're still looking to swap out the silver engine cowling for a black version, I might be interested in a trade.
I'm in the GTA as well.
Let me know
EDIT: wait...just realized the MY of your car. Guess it wouldn't fit my 2011. Oh well.
'11 Z4 30i (Sold!);'11 X3 28i (Sold!); '15 M235i (Recalled/Crushed!); '15 28i X3 loaded; '14 x328i loaded & Mineral Grey '16 M235i Perf Edition, Dinan Stage 2 & CAI