BTool Expert for Android

Used BTool Expert for Android?

BTool Expert Analysis

AI Assisted Content · June 19, 2026

Not written by CNET Staff.

BTool Expert is a full version utility designed for Android devices, specifically tailored for BMW vehicles. This application offers a wide range of functionalities that allow users to monitor and diagnose vehicle components effectively. Key features include reading and clearing fault codes, checking the status of various systems, and requesting DPF regeneration. It supports connectivity with both OBD and ENET adapters, making it versatile for different user needs. The user-friendly interface allows for easy navigation through options, ensuring that even those unfamiliar with automotive diagnostics can utilize it effectively.

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To begin using BTool Expert, users must connect their Android device to the vehicle's OBD or ENET adapter. Once connected, the app provides access to detailed information about the vehicle's components, including the engine, transmission, brakes, and more. Users can also monitor the engine temperature, tire pressure, battery status, fuel levels, and oil conditions. The app's comprehensive diagnostics capabilities make it an essential tool for BMW owners looking to maintain their vehicles efficiently.

BTool Expert for Android

Used BTool Expert for Android?

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Full Specifications

GENERAL

Release: November 10, 2018

Latest update: June 19, 2026

Version: 3.8.29

OPERATING SYSTEMS

Platform: Android

Operating System: Android 15.0

POPULARITY

Total Downloads: 226

Downloads Last Week: 0

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Last Updated

Developer’s Description

Application allows to read / erase fault codes and view live data in N47 / M47 / N57 / M57 diesel engines in BMW e90 and other models.

Application allows to read / erase fault codes and view live data in N47 / M47 / N57 / M57 diesel engines in BMW e90 and other models.

It provides all the functionalities as Lite version and additionally allows to:

- read DPF regeneration status and detailed information

- request DPF regeneration

- reset DPF adaptation values (required after filter replacement)

- read exhaust fumes pressure

- read injectors adjustments

- read actual and expected values for air mass, intake manifold pressure, fuel pressure

- log data to CSV file for further analysis

Supported OBD adapters

- K+D-Can USB: This is recommended and most reliable adapter. You will also need USB-OTG cable.

- ELM327 Bluetooth: Bluetooth connection may be slower and less stable than USB. Only genuine ELM327 adapters will work.

- ELM327 WiFi: Like ELM Bluetooth connection may be lest stable.

Application works also with BMW e60/e83/e81/e87, F-Series and with younger e46/e39 models.

Try Btool Lite freeware first. It lets you check if the app is compatible with your BMW and your OBD adapter.

If you have questions or need any help send me an email. You can find my address on the bottom of the page.

Why this app requires permissions?

- Storage: required for USB adapters support

- Photos / Media / Files: allows to create CSV files

- Pair with Bluetooth devices/access Bluetooth settings: required for Bluetooth adapters support

- Full network access: required for WiFi adapters support

- Approximate location: Theoretically it is possible to find approximate location using Bluetooth, however this app does not read/use location.