Upgrade your Audi A4 with wireless Apple CarPlay and Android Auto while continuing to use the factory MMI screen, MMI controller, steering wheel controls and Audi sound system.
Audi A4 Apple CarPlay & Android Auto
Find Your Audi A4 CarPlay Kit
Apple Carplay & Android Auto Upgrades
Audi A4 B8 and B8.5 models with factory MMI navigation use either MMI 2G High or MMI 3G / 3G+, depending on the vehicle and year.
| Your Audi A4 | Years | Factory System | Mr12Volt Kit |
|---|---|---|---|
| Audi A4 B8 (8K), Saloon & Avant | 2008 to 2009 | MMI 2G High | MMI 2G High Kit, £364.99 |
| Audi A4 B8 / B8.5 (8K), Saloon & Avant | 2009 to 2016 | MMI 3G / 3G+ | MMI 3G Kit, £364.99 |
Audi A4 2009 models
2009 was a changeover year for the Audi A4, with both MMI 2G and MMI 3G systems fitted during this period.
Identify Your MMI System
The quickest way to check is the version screen on your MMI.
How to check: with the ignition on, press SETUP next to the MMI controller, then select Version information.
MMI 2G High (2008 - 2009)
Your screen will show SW: B8-HU at the top.
MMI 3G (2009 - 2012)
Your software version will start with BNav_EU or HNav_EU
MMI 3G+ (2012 - 2016)
Your media version will start with HN+_EU.
Still not sure?
WhatsApp us your registration or VIN and we'll confirm compatibility before you order.
(2008 to 2009)
MMI 2G kit for Audi A4 B8
The Mr12Volt MMI 2G High interface connects directly to the Audi MOST fibre optic network, providing high-quality digital audio integration alongside modern smartphone connectivity.
With Apple CarPlay or Android Auto on your factory Audi screen, you can enjoy convenient access to compatible navigation, music, calls, messages and voice control.
Wireless Apple CarPlay and wireless Android Auto
Retains the factory MMI controller and steering wheel controls
Genuine MOST fibre optic integration, not an AUX or Bluetooth dongle
Compatible with Audi Base, Bose and Bang & Olufsen sound systems
Reverse, front and side camera inputs supported
Official UK stock, full manufacturer warranty
(2009 to 2016)
MMI 3G & 3G+ kit for Audi A4 B8 & B8.5
The Mr12Volt interface uses Audi’s MOST fibre optic network for digital audio and works with the existing MMI display and controls, creating a factory-style CarPlay experience within your Audi.
Connect your compatible smartphone wirelessly and access apps including Apple Maps, Google Maps, Waze, Spotify and other supported CarPlay and Android Auto apps through your Audi A4’s original display.
Wireless Apple CarPlay and wireless Android Auto
Retains the factory MMI controller and steering wheel controls
Genuine MOST fibre optic integration, not an AUX or Bluetooth dongle
Compatible with Audi Base, Bose and Bang & Olufsen sound systems
Reverse, front and side camera inputs supported
Official UK stock, full manufacturer warranty
Why choose Mr12Volt
Mr12Volt provides an integrated way to add Apple CarPlay and Android Auto to an Audi A4 while making full use of the car’s original MMI system.
The interface connects through Audi’s MOST fibre optic network and works with the factory screen, MMI controller, steering wheel controls and sound system. The result is modern smartphone connectivity combined with the familiar Audi interior and controls you already use.
Official UK authorised Mr12Volt stockist
Full manufacturer warranty
UK stock for fast dispatch
UK-based support
Nationwide network of approved installers, or fit it yourself in a few hours