Best Android Head Unit for Audi A4 A5 & Q5

Audi's MMI (Multi Media Interface) system is one of the most elegant infotainment interfaces in the automotive industry - but elegance and modernity are different things. Owners of the Audi A4 (B9, 2016-present), A5 (F5, 2016-present), and Q5 (FY, 2017-present) increasingly find that MMI's navigation maps are outdated, wireless CarPlay is absent on all but the latest build dates, and the interface - however well-designed - cannot match the flexibility of a full Android operating system. This guide addresses the specifics of MMI replacement, what happens to the Virtual Cockpit, how to handle the Concert/Symphony radio distinction, and whether the Audi premium audio system can be retained.

Audi MMI on the B9/FY Platform: What You Are Replacing

The B9 A4, F5 A5, and FY Q5 use the MMI Navigation Plus system with an 8.3-inch or 10.1-inch display (depending on specification). This system uses Audi's proprietary MIB2 platform (shared with the VW Group) and integrates deeply with the vehicle's CAN bus for climate display, drive select mode indicators, and (on Virtual Cockpit-equipped vehicles) the gauge cluster content.

The MMI Touch system introduced on later B9 production years adds a touchscreen layer to the rotary MMI controller. Both touchscreen and rotary-only MMI variants exist in B9/FY production - the replacement Android head unit you choose should specifically accommodate your variant's controller type.

Virtual Cockpit Compatibility: The Most Common Question

Audi Virtual Cockpit - the 12.3-inch digital instrument cluster - is the feature that most A4/A5/Q5 owners are concerned about losing when replacing the head unit. The good news is that Virtual Cockpit is entirely independent of the head unit. It runs on its own processor, receives data directly from the car's CAN bus, and will continue to display speed, navigation arrows (from the factory navigation), fuel level, trip computer, and media information regardless of what head unit is installed.

The nuance is navigation arrows in the Virtual Cockpit. When the factory MMI navigation is active, it sends route data to the cluster for display as turn-by-turn arrows. When you replace the head unit with an Android unit, this specific data link is broken - the Android unit typically cannot send navigation data to the Audi cluster in the same way. The result is that Virtual Cockpit continues to function normally for all its other displays, but navigation arrows sourced from the head unit will no longer appear in the cluster. Google Maps navigation continues on the Android unit's main screen without any issue.

Advanced Units With Cluster Integration

Some high-end Android head units for the B9/FY platform include a CAN bus communication module that sends simplified navigation data to the Virtual Cockpit, partially restoring the cluster turn-by-turn display. This is a premium feature - verify with the manufacturer whether it is supported for your specific car.

Concert vs Symphony Radio: Does It Matter?

Audi's Concert and Symphony audio units are factory head unit variants fitted to vehicles without the MMI Navigation Plus option - typically base and mid-specification vehicles. If your A4, A5, or Q5 came with a Concert or Symphony unit rather than full MMI, the replacement Android head unit options differ from those designed for MMI-equipped vehicles.

Concert Radio

The Concert is a simpler unit without navigation or the full MMI rotary controller. Vehicles with the Concert radio typically use a standard double-DIN bay, which means a wider range of Android head units fits physically. The speaker system connected to the Concert unit is usually the base 6-speaker setup without an external amplifier.

Symphony Radio

The Symphony sits between Concert and MMI Navigation Plus. It includes CD and SD card media but no navigation screen. Symphony-equipped vehicles sometimes include the Bang & Olufsen or Audi Sound System option, which uses an external amplifier - an important consideration when choosing an Android head unit.

Bang & Olufsen and Audi Sound System Retention

The B9 A4, F5 A5, and FY Q5 were available with either the standard Audi Sound System or the premium Bang & Olufsen system. Both use an external digital amplifier on the B9/FY platform, connected via a proprietary digital audio interface.

Retaining the factory amplifier requires a specific Audi/VW Group audio interface adapter that converts the Android unit's analogue RCA pre-amp output to the digital input format the factory amp expects. This adapter is available from specialist suppliers and is worth the investment - particularly for Bang & Olufsen-equipped vehicles where the speaker and amplifier quality is genuinely excellent.

Without the adapter, bypassing the factory amp and running speaker cables directly from the Android unit's internal amplifier will produce noticeably inferior sound in an otherwise premium vehicle.

MMI Rotary Controller After the Swap

The MMI rotary controller (the large dial with surrounding shortcut buttons) becomes non-functional for head unit control after the swap. The Android head unit uses touchscreen input. Some owners fit an aftermarket rotary volume knob to the Android unit's USB input as a tactile volume control, which partially restores the feel of physical control.

The MMI rotary controller itself does not need to be removed from the dashboard - it sits in the centre console and can remain in place cosmetically without any issues.

Key Specifications for Audi A4/A5/Q5

When browsing Android head units for Audi A4, A5, and Q5, look for:

• B9/FY-specific harness: Audi uses proprietary MIB connectors that require a purpose-built adapter harness
• Screen size: 8.8-10.25 inch to match the MMI bay proportions and bezel dimensions
• Bang & Olufsen / Audi Sound System interface: Required if your car has the premium audio option
• Virtual Cockpit navigation integration: Confirm whether this is supported if cluster arrows matter to you
• Processor: Qualcomm octa-core with 6-8 GB RAM for responsive performance
• Wireless CarPlay and Android Auto: Both wireless protocols supported natively
• DAB+ radio: Important for European market buyers who rely on digital radio

CAN Bus and Steering Wheel Controls

Audi's MQB-platform SWC system (shared with VW) uses digital CAN bus signalling rather than analogue resistors. An MQB-compatible CAN adapter is required - standard analogue SWC adapters will not work reliably on the B9 A4, F5 A5, or FY Q5. The CAN adapter also handles reverse camera triggering, parking distance control display, and climate data display on the Android unit screen.

Reversing Camera and Parking Sensors

Factory parking sensors and reversing camera on Audi B9/FY vehicles integrate via CAN bus data and composite video respectively. Quality Android head units for these models display PDC (Parking Distance Control) proximity data as a visual overlay when reversing, alongside the camera feed. For vehicles without factory sensors, adding aftermarket front and rear parking sensors provides a meaningful safety upgrade that the Android head unit displays natively.

Summary

The Audi A4 B9, A5 F5, and Q5 FY are complex but rewarding upgrade platforms. Virtual Cockpit compatibility is the most discussed concern - and the answer is that the cluster itself continues to function perfectly; only the head unit's navigation arrows in the cluster are affected. Concert and Symphony owners have additional upgrade value as these vehicles typically lack even wired CarPlay. With the right audio interface adapter and CAN bus hardware, an Android head unit transforms the Audi experience while preserving the premium interior quality these vehicles deserve.

View the Android 13.0 multimedia navigation for Audi R8 or browse all Audi electronics at OEM Motion.