Where is Radio Module for USB/SD/AUX (Old,New Generation Connector)

[X5M]

Hey guys,

first of all sorry for my bad englisch, im writing from the heart of bmw, germany

i´ve x5 ´00 model NOT facelift e53. my problem is: i´ve this monitor with telephone, tv-tuner, navigation and cd-changer from alpine!



so i want to dissambly the alpine cd-changer, then i want to use the usb/SD/aux dmc (Digital music changer) like this:




but, where can i find which connector the radio module have? (i mean the old generation, new generation connector!) WHERE IS THE RADIO MODULE??

i bought the x5 used, so i think the last guy that x5 drived, changed the original cd-changer with alpine cd-changer.

in my car are these stuffs:





in that picture you can see the circle connector. that goes to my alpine cd-changer. behind these black rectangular there are two connectors like this:



where those cables are going, i dont know...

please is it possible that you can help me?