Blow off n20

First of all, thanks for reading my post! I was thinking about installing a blow-off valve on my 2015 BMW 328. Is it safe? Or is it better not to install it? Does it benefit the turbo/engine in any way? Or is it just the sound? It currently already has an intake. Thanks in andvance!

First of all, thanks for reading my post! I was thinking about installing a blow-off valve on my 2015 BMW 328. Is it safe? Or is it better not to install it? Does it benefit the turbo/engine in any way? Or is it just the sound? It currently already has an intake. Thanks in andvance!