To order materials from other institutions not in the ILLume Online system, send an email direct to their ILL department.
Currently there is no website listing just BC Libraries. Search in the following for contact information:
Canadian Libraries: https://www.bac-lac.gc.ca/eng/symbols-interlibrary-loan-policies/Pages/search-help.aspx
BC Public Libraries: https://bc.libraries.coop/contact/