shamshoun

Greetings Dears, I have a question and i would appreciate your help in this regard, I have a 520i 2001 Model, i have only cassette player with CD box in the back, i want to change this with 16:9 BMW widescreen with Nav system, is this doable? can i do it my self or it needs professional? is there any customization required? thanks for your help Cheers!