Wirelessly posted (BB 8900: Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1_2 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7D11 Safari/528.16)
Follow the ifixit guide, but I believe you will need to remove the battery, screws on the bottom and sides, and ultimately remove the topcase. There should be a slot and wire connection for the card. Again, follow the ifixit guide, it will tell you which screws, etc.