Default Modem

Hey guys.
I just wanted to know if anything would go wrong if I flashed the new DDUGML4 modem on my S3.
I'm currently on CM11 nightlies.

Sent from my GT-I9300 using xda app-developers app
Xperia Arc S
Rom - Xperia Ultimate HD 5.0.1
Kernel - Lupus V16
Galaxy S3
Rom - SuperNexus
Kernel - Stock
Galaxy S4
Rom - Omega V18
Kernel - Stock