Specific wiring harness including optical cables for upgrading one of the following devices: CD changer ... or AMI - Audi Music Interface iPod High-quality wiring harness Enables the addition of the most common CD changer units to the MMI 2G infotainment system Scope of delivery: Cable set Optical cable wiring harness Note: Suitable for a conventional CD changer as well as an MP3 CD changer Not suitable for the MMI 3G infotainment system Suitable for vehicles with the MMI High system as well as the MMI Low system In the case of the MMI High (CD changer already available), you can play 6 additional CDs