Bios Mods -The Best BIOS Update and Modification Source

Morning (after posting in the wrong section twice!), I have a new HP DV6 notebook and I'm looking for a bios hack to allow me to use a different wifi card (to utilise 5GHz).

-Notebook Model: HP Pavilion dv6-6c98sa
-Manufacturer: Hewlett-Packard
-Motherboard Model: Hewlett-Packard 17F9 (Intel HM65 (Cougar Point) [B3])
-Bios revision: F.1A (17FC)
-Bios Type: Legacy (Insyde)
-Bios Download Link: http://h10025.www1.hp.com/ewfrf/wc/softw...00&sw_lang=
-Current original card : PCI\VEN_8086&DEV_008B&SUBSYS_53158086&REV_34
-Card to be added : PCI\VEN_8086&DEV_0091&SUBSYS_52018086&REV_00

Thanks in advance to anyone who is able to assist.

Regards,

Nick.