Introduction
The Blaupunkt BP W2WL M4 is a wireless car receiver designed to convert your vehicle's existing wired Apple CarPlay or Android Auto system into a wireless one. This device enables seamless integration of your smartphone's features with your car's infotainment system without the need for a physical cable connection. It retains the functionality of your original car audio system, including buttons, knobs, and microphone.

Image: Front view of the Blaupunkt BP W2WL M4 Wireless Car Receiver.
Setup
Follow these steps for the initial setup of your Blaupunkt BP W2WL M4 device:
- Connect the Device: Plug the Blaupunkt BP W2WL M4 USB Wireless Adapter into your car's USB port that supports wired Apple CarPlay or Android Auto.
- Initial Bluetooth Pairing: On your smartphone, enable Bluetooth and search for the device. Pair your phone with the Blaupunkt BP W2WL M4 via Bluetooth. This initial connection establishes communication.
- Automatic Wi-Fi Connection: After the initial Bluetooth pairing, the device will automatically switch to Wi-Fi for high-speed data transfer, enabling wireless Apple CarPlay or Android Auto.
Compatibility:
- Supports iPhone: iPhone 6 and newer, running iOS 10 or later.
- Supports Android Phone: Devices running Android 11.0 or later.

Image: The Blaupunkt BP W2WL M4 device plugged into a car's USB port, illustrating easy installation.
Operating Instructions
Once set up, the Blaupunkt BP W2WL M4 provides a seamless wireless experience:
- Automatic Connection: After the initial pairing, your phone should automatically connect to the device when you start your car, provided Bluetooth and Wi-Fi are enabled on your phone.
- Retained Car Functions: The device ensures that all original car audio functions, including steering wheel controls, dashboard buttons, and the car's microphone, remain fully operational.
- Dual-Band Wi-Fi: The BP W2WL M4 utilizes 2.4GHz and 5GHz Wi-Fi for a strong, stable, and lag-free connection, optimizing performance for navigation, music streaming, and calls.
- Seamless App Integration: Enjoy all your native Apple CarPlay and Android Auto applications, such as Music, Maps, and messaging, directly on your car's display without cables.

Image: Visual representation of the device's features including Dual-Band WiFi, rapid connections, and seamless integration.
Maintenance
To ensure the longevity and optimal performance of your Blaupunkt BP W2WL M4, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the device. Avoid using harsh chemicals or abrasive materials that could damage the surface.
- Environment: Keep the device in a dry environment. Avoid exposure to extreme temperatures, direct sunlight, or moisture.
- Software Updates: The device supports online updates. Periodically check for and install available software updates to ensure optimal performance, new features, and bug fixes. Refer to the manufacturer's website or app (if applicable) for update instructions.
Troubleshooting
If you encounter issues with your Blaupunkt BP W2WL M4, consider the following troubleshooting steps:
- Device Not Connecting:
- Ensure your car's USB port supports wired Apple CarPlay or Android Auto.
- Verify that Bluetooth and Wi-Fi are enabled on your smartphone.
- Try unplugging and re-plugging the device from the USB port.
- Restart your smartphone and your car's infotainment system.
- Frequent Disconnections or Lag:
- Ensure your smartphone is kept in close proximity to the device and not obstructed (e.g., deep in a pocket or bag).
- Check for any potential wireless interference from other devices in the car.
- Perform a software update on the device if available.
- Device Heating Up:
- It is normal for electronic devices to generate some heat during operation. If the device becomes excessively hot or you notice performance issues, disconnect it and allow it to cool down. If the issue persists, contact customer support.
- Audio or Control Issues:
- Confirm that your car's original audio system and controls are functioning correctly without the device connected.
- Ensure the device's software is up to date.
Specifications
| Feature | Specification |
|---|---|
| Brand | Blaupunkt |
| Model Name | BP W2WL M4 |
| Product Dimensions | 2 x 2 x 2.5 cm |
| Item Weight | 500 g |
| Hardware Interface | USB 2.0 |
| Compatible Devices | Car Stereo System with Wired Apple CarPlay/Android Auto |
| Connectivity Technology | Wi-Fi (802.11a/b/g/n/ac 2.4GHz+5GHz), Bluetooth |
| Power Source | DC/5V-1W |
| Supported iPhone OS | iOS 10+ (iPhone 6 and newer) |
| Supported Android OS | Android 11.0+ |
| Audio Output Mode | Stereo |
| Material | Acrylonitrile Butadiene Styrene (ABS), Metal |
| Special Features | Plug & Play, Non-inductive Faster Connection, Retains original car audio/controls, Supports Online Updates |
Warranty and Support
For warranty information, technical support, or any product-related inquiries, please contact the manufacturer directly:
- Manufacturer: BPIN Private Limited
- Address: 148, Jolly Maker Chamber II, 14th Floor, Nariman Point, Mumbai 400 021, India
- Toll-Free Number: 1 800 209 6820
- Email: support@blaupunktcar.in
- Website: https://blaupunktcar.in/
Please retain your proof of purchase for any warranty claims.





