Once you have legally dumped your BIOS, you need to ensure your -branded frontend (e.g., Retrobat, CoinOPS, or a custom LaunchBox build) recognizes it.
Emulation is about preservation. Treat the BIOS with respect—it is the soul of your PS2. Do not risk malware for a broken link. Extract it yourself, play your favorite games in 4K, and enjoy the golden age of PlayStation. retromania ps2 bios link