### [【Firmware】Audi ZFAS3 MIB3 Central Driver Assistance + Infotainment Integrated Unit Firmware](https://www.vwodis.com/en/article/13955.html)

**Published:** 2026-10-05T08:41:04

**Author:** admin

**Excerpt:** ✅ Basic Information Hardware: ZFAS3 (Audi MLB Evo platf…

## ✅ Basic Information

-   **Hardware: ZFAS3 (Audi MLB Evo platform MIB3 all-in-one unit)**
-   Compatible Models: Audi A6 C8, A7 C8, A8 D5, Q7 4M, Q8, and other high-end models; **Integrated infotainment system + driver assistance controller**

> The ZFAS unit is responsible for: the MIB3 infotainment system in the center console + processing for driver assistance features (ACC) and lane-keeping camera data; **it uses a completely different hardware setup from the MOI3 system on the Volkswagen MQB platform, and their firmware is not interchangeable**

-   `MU` = Module Update, USB offline update package
-   4N0 / 4N1 are Audi genuine part number prefixes (D5 A8, C8 A6/A7)

## Version sequence

`0365 < 0385 < 0511`

-   0365: Early version; occasional errors with driver assistance features and system lag
-   0385: Mid-cycle stable version; fixes some false alarms in driver assistance and CarPlay issues
-   **0511: Late stable version**; optimizes auxiliary camera recognition, MIB3 interface lag, wireless CarPlay, and 360-degree panoramic view; fixes numerous underlying CAN communication bugs

## ⚠️ Important Risk

1.  **Part numbers must match exactly**: 4N1 906 961, 4N0906961BK, BJ, and AR are not hardware-compatible with each other; **incorrect flashing will brick the vehicle and render driver assistance features inoperable**. ZFAS is the main control unit for driver assistance systems; bricking the vehicle will directly disable ACC and lane-keeping assist.
2.  Region codes: B/C/BC represent sales regions (European version, Russian version, etc.). Flashing firmware across regions will result in: mismatched navigation maps, failed driver assistance calibration, loss of FEC activation, and certain features being grayed out and unavailable.
3.  After upgrading ZFAS**, the driver assistance cameras must be recalibrated**! If you only flash the firmware without recalibration, ACC and Lane Keeping Assist will not function properly.
4.  The update requires a stable vehicle power supply; the process takes a long time, and a power interruption during the update will render the head unit unusable.
5.  Distinguish between ZFAS (1st generation) and ZFAS3—the hardware is different, and firmware cannot be flashed between them.

MU\_ZFAS3\_0365\_BC\_\_S\_4N1906961.zip

MU\_ZFAS3\_0385\_\_C\_\_S\_4N0906961BK.zip

MU\_ZFAS3\_0511\_\_C\_\_S\_4N0906961BJ.zip

MU\_ZFAS\_0365\_SYS\_\_\_B\_C\_\_\_\_0110\_P001\_S\_4N0906961AR.zip

**Tags:** ZFAS3_en

**Categories:** FAW Audi, Volkswagen, Volkswagen Modification

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