If you register with OFX using the below 'Redeem Deal' link you won't pay the CAD 15 per-transaction fixed fee.
OFX have one standard fee of CAD 15 if you’re transferring under CAD 10,000. If you’re transferring more than CAD 10,000, they don’t charge this fee.
No OFX coupon code is needed for this deal; transfer fees are automatically waived when you sign up for a Personal account with OFX Canada as a BestExchangeRates customer.
\*Minimum transfer $250. Please note that the receiving bank or intermediary bank may charge fees on transactions.