Probably not, but check your specific RAM kit and motherboard.

You’re unlikely to need a BIOS update just to install 32GB of RAM. Most modern motherboards support that capacity out of the box. But if you’re running older hardware (like a DDR3 system) or using a new high-density kit (e.g., 2x16GB with newer ICs), a BIOS update can improve compatibility and stability.

The real question is: does your motherboard already support the RAM you bought? Check the motherboard’s QVL (Qualified Vendor List) on the manufacturer’s site. If your exact kit isn’t listed, a BIOS update might help, but it’s not guaranteed.

I’d only update the BIOS if you have a specific reason—like the system won’t boot or you’re getting random crashes. Updating a BIOS for the hell of it is risky if you’re not careful. If your system works fine after installing the RAM, leave it alone.

Don’t fix what isn’t broken.