Radio Tuner Module / MMI (MIB) Navigation Controller – 4K0035084B

Original MMI system radio/navigation central unit / tuner (so-called Main Unit / radio controller), designed for Audi A6 C8, A7 4K, A8 D5, Q8 and E-Tron vehicles.

Factory electronic module responsible for receiving radio signals, processing navigation data, managing connectivity, and controlling in-vehicle multimedia. A key component of the MMI Touch Response system multimedia bus.

Technical specifications:

• OE part number: 4K0035084B / 4K0 035 084 B

• Installation side: Passenger compartment / dashboard

• Steering wheel side: Left (LHD – European version)

• Condition: Original used part (tested, no physical damage, pins and connection sockets in perfect condition)

• Manufacturer: Audi / VAG (Original OEM)

Main applications:

• Audi:

  • A6 / S6 / RS6 Avant & Limousine (C8 / 4K) – model years 2018 to 2024

  • A7 / S7 / RS7 Sportback (C8 / 4K8) – model years 2018 to 2024

  • A8 / S8 (D5 / 4N) – model years 2017 to 2024

  • Q8 / SQ8 / RSQ8 (4MN) – model years 2018 to 2024

  • Q7 / SQ7 (4M) – model years 2019 to 2024 (facelift)

  • E-Tron / E-Tron Sportback (GE) – model years 2018 to 2024

Fitment guarantee and VIN verification

The module is inspected for signs of moisture and for the functionality of the antenna and optical sockets.

Fitment note: Installing a used MMI/radio unit requires pairing it with the vehicle, removing Component Protection, and coding the VIN at a specialized service center. Before purchasing, we recommend verifying the OE number against the removed part or the vehicle's VIN.