Audio Systems: bmw ph 7050 aux in, auxiliary input adapter, bmw e 46

Question
I have a BMW e 46 (3/2003)with Radio business model PH7050. on the rear side there are three connection port (2 whit 10 pins and 1 whit 17 pins).  I don't understand if one of the 10 pins port is enabled for aux in. I'm searching for wiring and connection diagram of this model, can you help me?

Answer
they are the ip buss data of the car a service connector and cell phone cables leave those cables alone
the AUX or changer controls are the 6 pin plug and the 3 pin plug you need both
you also need this
http://www.oemautosound.com/pc-292-80-pie-bmw-pc-son-bmw-auxiliary-input-adapter...

or this

http://www.oemautosound.com/pc-354-137-dice-bmw-to-satellite-ipod-kit-text-ready...