Hello everyone I just purchased an x5 and got it 2 days ago . Some has tried to remove the factory dsp amp and radio and made a mess of thw wiring . for some reason the radio they put in doesn't work so I want to go and redo everything . I ordered a new aftermarket nav unit . 5 channel amp and croosfader etc. I read a few fourms to see how everyone is doing this . I just need
1. diagram for the head unit wiring ( My car originaly came with navigation 001 x5 4.4 and DSP )

2.Diagram for the amp wiring

3.Diagram for the Radio Modual

Any tips or DIY will help.