CGDI BMW FEM/BDC Add Key & All Keys Lost Guide

Here’s the tutorial on BMW FEM/BDC key programming (add key & all keys lost) by using CGDI Prog BMW key programmer.

 

1.Read and Backup eeprom

2.Add a key (copy key with key)

3. Program all keys lost (copy key without key)

 

1.Read & Backup Data

Connect CGDI BMW with vehicle via OBD diagnostic socket

maintains voltage above 12v , do not turn off the computer screen during operation.

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Open CGDI BMW software

Select “FEM/BDC key match” and click enter

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Connect successfully, maintain enough voltage, click “yes”

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Need to disassemble the module, read EEPROM data, FEM is 95128

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FEM module installation location

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Use CG100 Prog to read out 95128 IC data and save the data

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Remove the 95128 chip, wash it, and clip it to the ATMEGA adapter

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Open the CG-100 to read the data and save it

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Go back to cgdi and load the data

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Load successfully, save the new data generated by the system

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Write back new data with cg-100, weld back to module, and click next

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Waiting for programming

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After programming, write back 95128 original data,
put FEM into the car again, and click next

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Use CG100 to write back 95128 original data

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When finished, click “next”

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Set code successfully, customers can do any operation.

 

2. Add FEM/BDC key with CGDI BMW

Copy key with key

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choose the unused key, and click “generate the dealer key”

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Read working key,click Next

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Read successfully and display information

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Program the new key

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The new key matched successfully.

 

 

3. CGDI BMW Program FEM/BDC All Keys Lost

Copy key without key

Using CG100 to read the engine data

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Click to enter “ECU

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Click on the engine model option to enter the current vehicle

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According to the software physical wiring diagram wiring

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Physical connection

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Read successfully and save the data

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Show ISN and VIN

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Return to cg-di, select unused key bits, and click “generate dealer keys”

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Click on the next item that you select and click next
(Manually input known ISN)

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Check the information and click ok

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Place new key

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New key programming success.

 

 

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