: Supports both Apple CarPlay and Android Auto wirelessly, allowing for hands-free navigation, messaging, and music.
Choose your exact chassis and original screen size (e.g., E90 6.5-inch CCC or F30 8.8-inch NBT ).
Before starting, ensure your vehicle uses a 12V power system; do not install on 24V systems to avoid permanent damage. User Manual - Audiovolt
| | Likely Cause & Solution | | :--- | :--- | | Unit is in a boot loop | The device is stuck restarting. Press and hold the physical reset button (often a small pinhole) for 15-20 seconds [23†L5-L7]. If that fails, you may need to re-flash the firmware. | | No sound or AUX issue | A frequent issue is the phone call causing Bluetooth to drop, breaking the AUX channel [14†L11-L13]. Solution: ensure the AUX is correctly enabled in the factory Canbus settings, or use the built-in DSP amplifier. | | Bluetooth not connecting | Try "forgetting" the device from both the head unit and your phone. Restart both and re-pair. A firmware update often resolves deeper Bluetooth stack issues. | | Apple CarPlay / Android Auto not working | Ensure the "Zlink" or "AutoKit" app is present. If the connection is unstable, try a high-quality, short USB cable, or perform a factory reset of the head unit from the recovery menu. | | Screen is blank | Check the physical cable connections at the back of the unit. Also, verify the correct Canbus setting (e.g., 176) is selected, as an incorrect setting can prevent the screen from turning on [22†L9-L10]. | bmw 8259-ver01 user manual
Route this behind the dash up to the A-pillar or place it flat face-up under the top dash plastic.
: A very effective method is to use a site like Manuals.plus, which hosts a collection of official user guides. Search for your device's full model name, which will usually be something like "Junsun V1 Pro" or "Junsun V2 Plus." Comprehensive manuals on this platform cover everything from hardware installation and wiring diagrams to navigating the Android interface, setting up Bluetooth, and troubleshooting common problems.
: They typically retain the original BMW iDrive menus, allowing you to switch between the original factory interface and the new Android interface. : Supports both Apple CarPlay and Android Auto
: Capacitive multi-touch glass for controlling the Android subsystem.
is a highly popular MediaTek MTK8259 octa-core processor-based aftermarket infotainment head unit . It is widely used to retrofit older BMW vehicles—such as those running legacy CCC, CIC, or NBT iDrive systems—with modern capabilities like wireless Apple CarPlay, Android Auto, and a high-definition 10.25-inch IPS touchscreen display.
You need instructions for a very specific feature (e.g., pairing a phone, using voice commands). Solution: Use the picture search or keyword search within the BMW Driver's Guide app. It is designed to help you find specific functions quickly. User Manual - Audiovolt | | Likely Cause
: Select AUX in your original BMW iDrive media menu. The Android system injects its sound through this channel.
: Built-in 4G LTE (Micro SIM), Dual-Band Wi-Fi (2.4GHz/5GHz), Bluetooth 5.0
This feature ensures that the upgrade is non-destructive and enhances the existing dashboard experience rather than replacing it entirely.
: Seamlessly switches between the original BMW iDrive interface and the Android "Add-on" interface by holding the "MENU" or "BACK" button for three seconds. Initial Setup & Installation
