Hi Jochen ,your are right again :- brand new BMW (phillips) RDS Business radio.

Part Number : 65 12 8 382 364

Other numbers on the radio include:

PH7851W1142900

KW 9820

INDEX : 00

This radio will fit most:

BMW

• 7' (E38)
• 3' (E46)
  
• 5' (E39)

Radio will fit on vehicle's with satellite navigation display Well it looks like my tuner is the C23 made by siemens,and the sat/nav computer is the MK 111 as it as got the purple and blue wiring plugs ,with the LR/MGR software ,which won't load the bmw updates.
On the E46 sat/nav retriofit wiring loom there is a black three pin connection the colours are yellow black and brown ,could you tell me what they for and what they are connected to,here's a photo
http://img.photobucket.com/albums/v3...2_edited-1.jpg