Individual wiring harness for upgrading the MMI basic plus system (monochrome display) to the MMI-High 2G infotainment system for Audi A6 4F Components perfectly tailored to your vehicle Connections for: DVD navigation Radio box MMI display CD changer (depending on chassis number) Additional hardware components are required Scope of delivery: Wiring harness Notes: Please state the chassis number of your vehicle If the MMI control panel does not have a "NAV" and "TEL" button, you must replace it If the vehicle is only equipped with the MMI-Basic system (without DSP amplifier), you also need the article ID 35508 Factory-fitted MMI-Basic Plus systems already have DSP sound Features of the MMI-Basic Plus: Speakers in the rear of the car If no CD changer is installed, you also need the article ID 33896 Sometimes brackets for controllers or a left trunk lid with an opening lid is required