BMW ICOM A2/A3 Firmware Update Guide - Professional Upgrade to V1.40.05 Version

BMW ICOM A2/A3 Firmware Update Guide | Professional Upgrade to V1.40.05 Version

Is your BMW ICOM A2/A3 device running on old firmware version and experiencing issues with ISTA-D/ISTA-P software? With this comprehensive guide, you can safely upgrade your device to the latest V1.40.05 firmware version.

Professional Upgrade Guide to V1.40.05 Version

System Version: v01.25.02
Application Version: v01.40.05

Identifying Firmware Update Need

error_outline

Does Your ICOM Device Need an Update?

warning Compatibility issues with 2025 Ver BMW ISTA-D ISTA-P software
cancel Connection drops due to old firmware version
sync_problem Diagnostic problems with new BMW models
light_mode

Red LEDs and Firmware Failure Detection

lightbulb If red LEDs are lit on BMW ICOM device your device has experienced firmware failure
radar If ITool Radar program gives firmware warning when opened, update is required
system_update_alt Your device's hardware version should be updated according to ISTA current software
support_agent

Remote Firmware Update Support

This firmware update process can also be performed safely with remote support. Our professional technical team can update your device via remote access.

warning Important Note

Latest V1.40.05 firmware support is required for 2025Ver BMW ICOM Rheingold ISTA-D ISTA-P software version.

Initial Check Step - Current Firmware Version Detection

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Which ICOM Model is Supported?

BMW ICOM A2 - SP168-BA

Excellent Version - Recommended

Most stable and secure update support

BMW ICOM A2 - SP168-B / SP168

Wi-Fi and Standard Versions

All supported A2 models

BMW ICOM A1 - SP101-B

A1 Series

Compatible update for A1 model

Important: Check your device's model number and ensure it's in the supported list.

Downloading Firmware Files

download

BMW ICOM V1.40.05 Firmware Package

Required firmware files for update process:

insert_drive_file ICOM-BootImage-01-25-02.bin System Image
insert_drive_file ICOM-ApplicationImage-01-40-05.bin Application Image
download ICOM A2/A3 Firmware is Available in Your Computer System Files
Note: Extract files to a safe folder and make sure file names are correct.

Pre-Update Preparation Process

1 settings_ethernet Network Settings Configuration
1.1

Control Panel → Network and Internet → Network Connections

1.2

Right click on Ethernet connection → Properties

1.3

Internet Protocol Version 4 (TCP/IPv4) → Properties

1.4

Check "Obtain IP address automatically" option

Critical: Do not start update without making this setting. Manual IP address causes connection problems.
2 power Power Connection Preparation

Connect your ICOM device to a secure power source:

  • Recommended: Use 12V adapter
  • Alternative: Connect directly to BMW vehicle (vehicle battery must be charged)
  • Ensure power connection is stable
Attention: Power interruption during update can cause permanent damage to device.
3 cable LAN Connection Setup
  1. Connect ICOM A2/A3 device to your computer with LAN cable
  2. Use quality LAN cable (Cat5e or Cat6)
  3. Check that device power LED is on
Tip: Do not use wireless connection. Only wired LAN connection is safe.

Web Interface Access and Update

4 web Web Interface Access with Internet Explorer

Access web interface using IP address appropriate for your model type:

Excellent Version (SP168-BA)

Other Versions (SP168-B/SP168/SP101-B)

Important: Use only Internet Explorer. Other browsers like Chrome, Firefox may cause problems.
5 system_update System Image Update
5.1

Click on "Update Firmware" tab

5.2

Check current firmware version information

5.3

Select "ICOM-BootImage-01-25-02.bin" with "Browse"

5.4

Set image type as "SYSTEM"

5.5

"Send File" → Give "Yes" confirmation

schedule Duration: 2-3 minutes
warning ICOM LED turns red
6 apps Application Image Update
6.1

After "System image update successful" again "Update Firmware"

6.2

Select "ICOM-ApplicationImage-01-40-05.bin" file

6.3

Set image type as "APPLICATION"

6.4

"Send File" → Give second confirmation

schedule Duration: 5-10 minutes
warning LED turns red again
Patience: Application image takes longer due to file size. Please wait.
7 refresh Completing Update
  1. After update completes, click "Restart" button
  2. Device will restart and LEDs will return to normal color
  3. Check via "Home" → "Update Firmware"
Success: New firmware version will be active and device will be ready for use.

Checking Update Success

check_circle

What Should Be Seen After Successful Update

done Current System Image Version: 01.25.02
done Current Application Image Version: 01.40.05
done Smooth connection in ISTA-D/ISTA-P software
done Enhanced diagnostic support for new BMW models

Frequently Asked Questions

General Questions
Troubleshooting
Technical Details

How long does the update process take?

System image takes 2-3 minutes, application image takes 5-10 minutes, total 10-15 minutes.

Which browser should I use?

Use only Internet Explorer. Other browsers may cause problems with web interface.

Will my settings be lost after update?

No, firmware update only affects system software. User settings are preserved.

I can't access web interface, what should I do?

Set network settings to obtain IP automatically. Temporarily disable firewall and try a different LAN cable.

I'm getting error during update?

Check file size and name. Test your internet connection. Restart device and try again.

ICOM LED is continuously red?

This is normal during update. LED returns to normal after process completes.

What are the advantages of V1.40.05 version?

Provides more stable connection, enhanced diagnostic features and full compatibility with 2015.11V ISTA software.

Can I revert to old firmware version?

Yes, if you have old firmware files, you can revert with the same process.

Is there a difference between A1 and A2 models?

Firmware update process is the same, only IP addresses may differ.

Professional Tips

backup

Backup

Note down current firmware version

power

Power Control

Use laptops with charger connected

schedule

Time Plan

Allocate 30 minutes for the process

security

Security

Temporarily disable antivirus

Our BMW Diagnostic Solutions

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BMW ICOM A3 Device

Original BMW diagnostic device. Fully compatible with ISTA-D, ISTA-P and E-Sys software.

  • Support up to 2024 Model Year
  • All BMW, MINI, Rolls-Royce models
  • Advanced diagnostics and programming
  • V1.40.05 firmware support
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ISTA-D/ISTA-P Software Installation

Professional BMW ISTA-D, ISTA-P and E-Sys software installation service.

  • Current software versions
  • Remote installation support
  • License and activation
  • Firmware update included
download Software Installation

Our BMW Software Installation Services

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BMW ISTA, ISTA-P, E-Sys, HU Manager, ETKA Software Installations

All BMW software installations are performed smoothly by Auto Ideal. Please contact us to get software installation service with our professional technical team.

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ISTA-D (BLP/SDP)

BMW ISTA-D Diagnostic fault detection software. Comprehensive fault detection and system analysis in all BMW models.

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ISTA-P (Expert Mode)

BMW ISTA-P Programming software operations. Expert Mode open, ECU programming and configuration.

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BMW KSD

BMW Dealer catalog and expert rating control system. Service documentation and procedures.

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BMW ETK

BMW Parts Catalog software. Current part information, diagrams and assembly instructions.

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Diagnostic Coding Tools

INPA, Tool32, WinKFP, NCSExpert, EDIABAS, SP-Daten. Complete diagnostic coding software package.

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E-sys & LauncherPro

Advanced coding software and hidden feature activation. Advanced programming for BMW F series.

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HU Service Manager

Service maintenance information update program. Updates history records and manages service intervals.

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BMW ICOM Software Update

Device firmware update and software compatibility checks

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Remote Installation Support

Secure remote access installation service with TeamViewer

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License & Activation

Original software licenses and full activation included

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Professional BMW Diagnostic Solutions

Complete diagnostic and programming solutions for your BMW vehicles. Professional service with original ICOM A2/A3 devices and current software.

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Conclusion

You can safely upgrade your BMW ICOM A2/A3 device to V1.40.05 firmware version with this guide. If you follow the correct steps, your device will be ready to work with the latest features.

Remember: Network settings and power connection usage is critically important. If you are not sure about any step, it is recommended to stop the process and get technical support.