1. Introducció
This manual provides comprehensive instructions for the installation, operation, and maintenance of your XTRONS Android 12 Octa Core Car Stereo (Model IAP9290BS). Please read this manual thoroughly before installation and use to ensure proper function and safety.
Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació s'inclouen al vostre paquet:
- 1 × Arnès de cablejat ISO
- 1 × Cable RCA
- 2 cable USB
- 1 × Antena GPS
- 1 × CANbus Cable
- 1 × Cable de càmera
- 1 × Cable d'antena de ràdio
- 1 × Caixa CANbus
- 2 × Air-conditioning Cover
- 1 × Antena 4G
- 1 × Air-conditioning Bracket
- 2 × Screw & 2 × Plastic Stopper
- 1 × Manual d'usuari

Image 1.1: All accessories included with the XTRONS IAP9290BS car stereo.
2. Compatibilitat
Applicable Models & Years:
- For BMW E90 Sedan (2005-2012)
- For BMW E91 Touring (2005-2012)
- For BMW E92 Coupe (2006-2013)
- For BMW E93 Convertible (2007-2013)
- For (E90 / E92 / E93) M3 (2007-2012)

Image 2.1: Visual comparison of the car's dashboard before and after installing the XTRONS car stereo.
Notes importants de compatibilitat:
- Please check if your car has an iDrive system or is equipped with an LCD screen. This unit is NO compatible with vehicles featuring these systems.
- An included 6m extension cable for the ISO wiring harness is provided. This is necessary to connect to your car's battery to maintain the unit's memory.
- The plastic frame must be removed before installing the head unit.
- Two air-conditioning covers are provided to assist with installation. Modifications to the original air-conditioning face panel may be required, such as cutting the two sides of the plastic frame on BMW E90 air-conditioning equipment.
- If the factory radio has an optical fiber amplifier Harman Kardon system and the plug does not have 8 speaker wires, you will need to order a decoder to aid in the installation.

Image 2.2: Visual guide for important compatibility checks and installation considerations.

Image 2.3: Illustration of the Harman Kardon system connector and the need for a decoder if applicable.
3. Configuració i instal·lació
Installation of the XTRONS car stereo requires technical knowledge. It is recommended that installation be performed by a qualified professional. Incorrect installation may damage the unit or your vehicle.
General Installation Steps (Consult a professional for detailed vehicle-specific instructions):
- Desconnecteu la bateria del vehicle per evitar curtcircuits.
- Carefully remove the existing factory radio and trim panels. Refer to your vehicle's service manual for specific removal procedures.
- Connect the provided ISO wiring harness to the vehicle's wiring and the XTRONS unit. Ensure all connections are secure.
- Connect the GPS antenna, 4G antenna, and radio antenna cable. Position antennas in locations with clear reception.
- If applicable, connect the CANbus box and camera cable.
- Install the air-conditioning covers and bracket as needed, making any necessary modifications to the vehicle's dashboard.
- Mount the XTRONS car stereo securely into the dashboard opening using the provided screws and plastic stoppers.
- Torneu a connectar la bateria del vehicle.
- Power on the unit and perform initial setup and testing.
Esquema de cablejat

Image 3.1: Detailed wiring diagram for connecting the XTRONS IAP9290BS car stereo. Refer to this diagram for correct cable connections.
4. Instruccions de funcionament
The XTRONS IAP9290BS operates on Android 12, offering a user-friendly interface and a wide range of features.
4.1 Interfície d'usuari (UI)
The unit features optimized and intuitive icons for a distraction-free driving experience. You can switch between different UI themes to personalize the look and feel of your stereo.

Image 4.1: Demonstrates the customizable UI themes and multi-tasking capabilities like Picture-in-Picture and Split Screen.
4.2 Smartphone Connectivity (CarAutoPlay & Android Auto)
The unit supports both Wireless CarAutoPlay and Wireless/Wired Android Auto, allowing seamless integration with your smartphone.
- CarAutoPlay: Connect your iPhone to the car stereo via Bluetooth or through a cable. You can tap to use apps on the large screen or ask Siri to perform tasks safely.
- Android Auto: Connect your Android phone to the car stereo through a cable. You can either cast the apps to use on the large screen or control them with voice commands via Google Assistant.

Imatge 4.2: acabatview of CarAutoPlay, Android Auto, and Screen Mirroring functionalities.
Processador de so digital 4.3 (DSP)
The built-in DSP enhances audio quality, offering advanced sound customization options to optimize your listening experience.
Ràdio 4.4 amb RDS
The unit features a built-in ST TDA7708 radio chip, covering AM/FM bands and providing state-of-the-art performance with multipath noise mitigation and RDS decoding.
4.5 Dual Band WiFi & 4G Connectivity
The dual-band WiFi module supports both 2.4GHz and 5GHz bands for faster data transmission and flexible connectivity. With 4G connectivity, you can insert a Micro-SIM network card for mobile broadband access. Supported 4G bands include: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42. Bands 13, 25, 26 are not supported.

Image 4.3: Details on global 4G LTE connectivity, dual band WiFi, and mobile network sharing via USB tethering.
4.6 Bluetooth 5.0
Connect your mobile phone via the built-in Bluetooth 5.0 for hands-free calls, access to your phone book, call logs, contact search, and music streaming.
4.7 Navegació GPS
The unit supports various Android navigation software, including Sygic, IGO, Waze, and Google Maps. Note: This unit does not include a map card; you need to download navigation software from the Android app market.
4.8 Picture-in-Picture (PIP) & Split Screen
- Imatge dins d'imatge: This feature allows a floating video player to stick to the foreground of your screen, enabling you to watch videos while multitasking.
- Pantalla dividida: Run two applications side by side. For example, you can open a navigation map on the left while using a music app on the right.
5. Optional Features
Enhance your XTRONS car stereo experience with these optional accessories:
- Funció OBD2: Retrieve real-time data and trouble codes from your vehicle's computer. (Requires optional OBD device, e.g., ASIN: B015MU8UN6 / B08HQ9LQ9X)
- Funció TPMS: Monitor tire pressure. (Requires optional TPMS device, e.g., ASIN: B07WQFKV5G / B07DKB4GD2)
- Front / Reversing Camera: Improve visibility and parking safety. (Requires optional camera, e.g., ASIN: B07HMLYLJJ / B00GY3BVT6)
- External DVR: Registre de conducció footage. (Requires optional DVR, e.g., ASIN: B07MBYCG4C / B08MF1ZRJ3)
- DAB+ Tuner: Enjoy digital audio broadcasting. (Requires optional DAB+ tuner stick)
6. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | IAP9290BS |
| Sistema operatiu | Android 12 |
| Processador | Octa Core (2x Cortex-A75 + 6x Cortex-A55) |
| RAM | 4 GB DDR4 |
| ROM | SSD de 64 GB |
| Mida de la pantalla | 9 polzades |
| Tipus de visualització | Pantalla tàctil IPS |
| Resolució | 1280*720 HD |
| Bluetooth | Bluetooth 5.0 |
| WiFi | Banda dual (2.4 GHz i 5 GHz) |
| 4G LTE | Integrated (Micro-SIM required) |
| GPS | Built-in, supports various Android navigation software |
| Mode de sortida d'àudio | estèreo |
| Característiques especials | Built-in DSP, CarAutoPlay, Android Auto, Screen Mirroring, PIP, Split Screen |
| Tipus de muntatge | Suport al tauler |

Image 6.1: Physical dimensions of the XTRONS IAP9290BS car stereo.
7. Solució De Problemes
If you encounter issues with your XTRONS car stereo, please refer to the following general troubleshooting steps:
- Sense energia: Check all power connections, including the ISO wiring harness and battery connection. Ensure the vehicle's battery is charged.
- Sense so: Verify speaker connections and audio settings (e.g., volume, balance, fader, DSP settings). Check if the mute function is active.
- Poor GPS Signal: Ensure the GPS antenna is installed in a location with a clear view del cel.
- Problemes de connectivitat Bluetooth: Ensure Bluetooth is enabled on both the stereo and your mobile device. Try unpairing and re-pairing the devices.
- Problemes de connexió Wi-Fi: Verify Wi-Fi settings and password. Ensure the unit is within range of a strong Wi-Fi signal.
- La pantalla no respon: Try restarting the unit. If the issue persists, a factory reset may be necessary (note: this will erase all user data).
- Problemes de compatibilitat: Re-check the compatibility notes in Section 2 to ensure your vehicle meets all requirements.
Per a problemes persistents, poseu-vos en contacte amb el servei d'atenció al client de XTRONS.
8. Manteniment
Per garantir la longevitat i el rendiment òptim del vostre estèreo de cotxe XTRONS, seguiu aquestes pautes de manteniment:
- Neteja: Feu servir un drap suau i sec per netejar la pantalla i l'exterior. Eviteu productes de neteja abrasius o dissolvents que puguin danyar l'acabat.
- Actualitzacions de programari: Periodically check for software updates from XTRONS to ensure your unit has the latest features and bug fixes.
- Condicions ambientals: Eviteu exposar la unitat a temperatures extremes, a la llum solar directa durant períodes prolongats o a una humitat excessiva.
- Connexions de cable: Comproveu periòdicament totes les connexions dels cables per assegurar-vos que estiguin ben fixades i que no estiguin danyats.
9. Garantia i assistència
XTRONS proporciona una 1 any de garantia for this unit. For warranty claims, technical assistance, or any product-related inquiries, please contact XTRONS customer support via Amazon email. Our professional technical support team will respond promptly to ensure your rights and interests are protected.
10. Vídeos de productes
XTRONS Car Stereo for BMW E90 Android 11 Octa Core Car Radio 9 Inch IPS DSP Car Play Android Auto
Vídeo 10.1: Un overview of the XTRONS car stereo for BMW E90, highlighting its Android 11 Octa Core system, 9-inch IPS display, DSP, Car Play, and Android Auto features. This video provides a visual demonstration of the unit's capabilities and user interface.
XTRONS 9 Inch Car Stereo for BMW E90 E91 E92 E93 325 328
Video 10.2: A detailed look at the XTRONS 9-inch car stereo, specifically designed for BMW E90, E91, E92, and E93 models (including 325 and 328 variants). This video showcases the unit's fitment and various functions within the vehicle's interior.





