rnse

Hello, I'm new in this forum, I have one audi rs3 8p 2012 with one rns-e radio and bose sound system. I ordered this head unit Mekede M6 Pro 7862S https://a.aliexpress.com/_EIDth7F I wanna buy all the wires to make this head unit works and I dont know what is need. the wheel buttons are...