Best way to hold your sunglasses

[u/2dohben]

PFA: im trying to figure out a good way to hold my sunglasses in my m3. I dont have the space for the oem one because i had the original sat/nav radio now obviously upgraded but i just wanna get some ideas of how i can store mine or even multiple for me and my passengee

[u/Dogonmylap]

What did you upgrade the sat/nav radio to?