Reset BMW ECU to factory setting with NCS Expert software

Outils de diagnostic de voitures

If bimmers want to update your BMW ECU, retrofit CIC, or you have done a wrong coding/wrong setting, the best way is to bring it back to factory default settings. Here is an ECU resetting to factory settings guide with BMW ICOM engineering NCS-expert coding software.

Tool needed:

BMW ICOM ISTA-D ISTA-P with engineering software NCS Expert

BMW ICOM A2+B+C diagnostic system

A laptop running Win 7 O/S


  • Loading profile

Well loaded and installed BMW NCS expert software

Set up and connect BMW ICOM a2+b+c diagnostic hardware with vehicle via OBD port

Open NCS expert software

Select Expert mode

Choose Expert Mode Profile

(If you do not have Expert Mode Profile, loading the file you usually using)

Click File>>Edit Profile>>FSW/PSW


Uncheck the option in the red box

Click OK

Click Profile Info>>name the profile as you want

Click OK to close the Profile Editor

Click File>>Save profile as the name your precious named

Now you have a profile for loading factory settings to any ECU in the car

  • Reset ECU to factory default setting

Press F1 button

Select F3 and choose your car chassis from the list

Click OK

Press F6

Press F4

Choose the ECU your would like to code with factory default options of your car

Press OK


Press F2



Press OK

Press F3 “Execute Job” to start coding the ECU with factory setting according to your BMW vehicle order (VO)

ECU resetting is done. Exit the NCS expert software and disconnect the BMW ICOM hardware.

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