Complete kit for retrofitting a CD changer for the Audi A6 4F Optimal for supplementing the CD changer, which is generally available This kit allows you to control 6 additional CDs via the MMI system Significant increase in comfort thanks to direct CD exchange in the glove compartment (CD changer works without charger) Scope of delivery: CD changer Cable set Light fiber optic cable set Note: Not suitable for MMI 3G The software version of the MMI must be at least 3440, below please also order update 39469 Plays conventional and MP3 compatible CDs (MMI 2G) Can also be used as an additional (second) CD changer - for a total of 12 CDs The hardware supplied comes from test vehicles and has undergone extensive functional testing