Procedure for Adopting Existing Variant Code

2011 BMW M3 2D Coupe, StandardSECTION Procedure for Adopting Existing Variant Code
WARNING: This page does not describe the selected car, but rather 136 other vehicles, including the 2008 BMW 760Li, 2008 BMW 650i, 2007 BMW Z4, 2007 BMW X5, and 2007 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Turn off all loads and always have a BMW battery charger connected during the coding process to maintain proper voltage (12.5V). 

  1. Connect the DIS/MoDiC to the vehicle's 20 pin diagnostic connector and turn the ignition switch ON. Select Coding and Programming from the DIS/MoDiC start screen or drop down menu.
  2. Select "4 Programming"  and press the right continue arrow.
    Fig 1: View Of Procedure For Adopting Existing Variant Code (1 Of 11)
    G03402939Courtesy of BMW OF NORTH AMERICA, INC.
  3. From the Coding/Programming selection menu, highlight "2 DME variant Code"  and press the continue arrow.
    Fig 2: View Of Procedure For Adopting Existing Variant Code (2 Of 11)
    G03402940Courtesy of BMW OF NORTH AMERICA, INC.
  4. Select "1 Exchange Control Module"  and press the continue button.
    Fig 3: View Of Procedure For Adopting Existing Variant Code (3 Of 11)
    G03402941Courtesy of BMW OF NORTH AMERICA, INC.
  5. Select the installed engine group of the vehicle, e.g. M20, M30 etc.
    Fig 4: View Of Procedure For Adopting Existing Variant Code (4 Of 11)
    G03402942Courtesy of BMW OF NORTH AMERICA, INC.
  6. Select "1 New Coding"  and continue.
    Fig 5: View Of Procedure For Adopting Existing Variant Code (5 Of 11)
    G03402943Courtesy of BMW OF NORTH AMERICA, INC.
  7. Select "1 Adopt code from old control module". 
    Fig 6: View Of Procedure For Adopting Existing Variant Code (6 Of 11)
    G03402944Courtesy of BMW OF NORTH AMERICA, INC.
  8. Press the "Yes" button to read out code from existing control module.
    Fig 7: View Of Procedure For Adopting Existing Variant Code (7 Of 11)
    G03402945Courtesy of BMW OF NORTH AMERICA, INC.
  9. The installed variant code will be transferred to the DIS/MoDiC for display and storage.

    Do not disconnect the MoDiC from the vehicle diagnostic connector. The stored variant code will be deleted. 

    Fig 8: View Of Procedure For Adopting Existing Variant Code (8 Of 11)
    G03402946Courtesy of BMW OF NORTH AMERICA, INC.
  10. Turn off the ignition switch and remove the old control module. After double checking the part number of the replacement control module, connect it to the vehicle harness. Turn the ignition switch back on and press the continue arrow.
  11. The DIS/MoDiC will display the code for transfer and indicate how many more times the control module can be encoded. Press the "Yes" button to transfer the code.
    Fig 9: View Of Procedure For Adopting Existing Variant Code (9 Of 11)
    G03402947Courtesy of BMW OF NORTH AMERICA, INC.
  12. The last screen will indicate that the coding procedure is complete.
    NOTE: If the code FF01 is displayed the control module was not properly coded and coding procedure must be repeated (FF01 is a basic control module resident code).
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.