bimmer-tool Lite

Diagnose and Maintain Your BMW with bimmer-tool: A Comprehensive Guide

bimmer-tool empowers you to read, clear diagnostic trouble codes (DTCs), initiate Diesel Particulate Filter (DPF) regeneration, access real-time engine data, and perform other vital functions on your BMW vehicle. Note that functionality is limited for pre-2008 models, and a K+DCAN USB cable is the recommended connection method for these vehicles. Wireless ELM adapter compatibility may be restricted or incomplete for older cars.

Essential: A Reliable OBD Adapter is Required

Successful use of bimmer-tool depends on a compatible OBD adapter. We recommend the following:

• K+DCAN cable: The most reliable option, particularly for older BMWs. A USB-OTG cable is also necessary.
• ENET adapter (F/G series): Ideal for F and G series BMWs. Requires a USB-C to Ethernet adapter.
• Vgate vLinker MC/FS/BM/FD: https://www.vgatemall.com/products/
• UniCarScan UCSI-2000/USCI-2100: Set to D-Can mode: MODE2 https://www.wgsoft.de/shop/obd-2-komplettsysteme/unicarscan/114/unicarscan-ucsi-2000-diagnoseadapter https://www.bmdiag.co.uk/unicarscan-ucsi-2000-bluetooth-obd2-adapter
• Carista: https://caristaapp.com/adapter
• Veepeak OBDCheck BLE: https://www.veepeak.com/product/obdcheck-ble

bimmer-tool Capabilities:

• DPF regeneration status and detailed information
• DPF regeneration initiation
• DPF adaptation value reset (post-filter replacement)
• Exhaust backpressure readings
• Injector adjustment data
• Air mass, intake manifold pressure, and fuel pressure (actual vs. expected)
• Data logging to CSV for analysis
• Battery replacement registration (without altering battery properties)
• Resetting short-circuit-blocked lamp circuits
• Oil/brake service and interval resets**

Supported OBD Adapters:

• K+D-CAN USB (recommended)
• ENET cable/WiFi adapter (recommended for F & G series)
• ELM327 Bluetooth (may be slower; genuine or PIC18-based adapters only)
• ELM327 WiFi (may be less stable)

Quick Start Guide:

1. Connect the adapter to the OBD II port.
2. Turn the ignition on.
3. Connect the adapter to your phone (USB, Bluetooth, or WiFi; instructions vary by adapter type).
4. Launch the app, select your car's model and year.
5. Choose your connection type, adapter type, and communication protocol.
6. Tap "Connect."

**Limitations apply to pre-2008 models and specific chassis (e46/e39/e83/e53), requiring K+DCAN and supporting only the engine ECU. Wireless ELM adapter connection may be unsuccessful.

Troubleshooting:

• "No response" error (pre-2007 models with BT/WiFi): Try selecting the ATWM option in advanced connection settings.
• No connection: Ensure correct adapter and protocol settings. If problems persist, force-stop diagnostic apps (including bimmer-tool) or restart your phone.

Permission Rationale:

• Storage: Required for USB adapter support.
• Photos/Media/Files: Enables CSV file creation.
• Bluetooth: Necessary for Bluetooth adapter pairing.
• Network Access: Required for WiFi adapter support.
• Location: Theoretically usable via Bluetooth, but not used by this app.

Version 3.7.6-L (November 10, 2024)

• Diesel idle speed adjustment
• Throttle body control