When you get BMW E46 airbag light on, there are several tools options to reset it, for example, Autel Maxidiag Elite MD802 scanner full system, BMW Creator C110, BMW Scanner 1.4.0, Launch Creader CRP123, Launch Creader CRP129 or Autolink AL619. All of the above-mentioned scanners are tested okay to reset airbag light for BMW E46.
While in the following parts, I will simply show how to reset BMW E46 airbag light with Autel MD802.
Procedure on how Autel Maxidiag MD802 scanner reset BMW E46 airbag light with.
Plug Autel md802 maxidiag elite scan tool with BMW E46 via OBD socket
Power up the device
Select “Scan” icon on the main screen
Select vehicle region: European /Asia or USA
Select car make: BMW
Select vehicle model series: 3 series>>E46
Wait until the Elite MD802 system build well communication vehicle
The MD 802 scanner will automatically read the vehicle model and version information
There are two main function options: “Auto scan” and “Control unit”. Select “Control unit”
Select “Body” control unit
Select “MRS Multiple Restrain System Ⅲ/Ⅰ” by pull down the list
Select “Read Codes” in the next screen
The system will display the fault code and fault explaination. You can see from the screen that two error codes are stored in ECU.
Select “Erase Codes”
Click “Yes” when you get message “DTCs and Freeze data will be lost”
Check the SRS indicator on dashboard, if the airbags light does not off, repeat Read and Erase fault codes, it will be work.
Done
Disconnect the Autel Elite MD802 scan tool from vehicle.