Multimedia Interfaces

A perfect & simple solution for intergrating the audio from an auxiliary source including an iPod with your OE system, do you want to add an auxiliary input to your OE system without losing the OE cd changer?

Well now you don't have to with the new range of Expander interfaces, this exclusive interface connects in line with the OE cd changer and enables you to switch to an auxiliary stereo audio source with the simple touch of a button.

Vehicle Applications


The interface is designed for use with the following BMW models:

  • Compact - E46  [2001- on]
  • 3 series -  E46   [1998-on]
  • 5 series - E39 [1996-2004]
  • 7 series - E38 [1996-2002]
  • X3   -       E83    [2004-on]
  • X5   -       E53    [2001-on]
  • Z4   -       E85    [2003-on]


This is only compatible with a standard BMW Business sound system. This interface is not designed specifically for use with the BMW satelite navigation system but in most instances it works fine. 


This interface is also designed for use with the BMW based Mini - E59 [2001- on] This is only compatible with a standard Alpine,Clarion or Philips manufactured sound system.


This interface is only compatible with vehicles that are pre-installed with a factory fitted CD changer buslead, And also with head units that have a Random Button (The Random Button on the Navigation head unit is accessible via one of the sub-menue's) 


Once connected the BMW Expander interface will allow the audio from an auxiliary input [DVD,VCR,MP3,iPod etc] to be played through the vehicles speaker system via the CD mode on the OEM head unit. This interface can be used in conjunction with the OE CD multi changer.


Simple plug and play installation of the interface in the boot area of most vehicles and connection to your audio source via [stereo] RCA connections.


Models fitted with the OE Changer

With the head unit switched on, press the "Mode" button until the OE CD Changer is selected, Then to select the audio from the auxiliary source double press the "RANDOM" button and the head unit will switch to the Expander Interface, By pressing the button again it will toggle back to the OE CD Changer again.

Models Without CD Changer 

With the head unit switched on press the "MODE" button until it displays CD mode. The audio from the auxiliary source will now be available.


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