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.
Open CGDI BMW software
Select “FEM/BDC key match” and click enter
Connect successfully, maintain enough voltage, click “yes”
Need to disassemble the module, read EEPROM data, FEM is 95128
FEM module installation location
Use CG100 Prog to read out 95128 IC data and save the data
Remove the 95128 chip, wash it, and clip it to the ATMEGA adapter
Open the CG-100 to read the data and save it
Go back to cgdi and load the data
Load successfully, save the new data generated by the system
Write back new data with cg-100, weld back to module, and click next
Waiting for programming
After programming, write back 95128 original data,
put FEM into the car again, and click next
put FEM into the car again, and click next
Use CG100 to write back 95128 original data
When finished, click “next”
Set code successfully, customers can do any operation.
2. Add FEM/BDC key with CGDI BMW
Copy key with key
choose the unused key, and click “generate the dealer key”
Read working key,click Next
Read successfully and display information
Program the new key
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
Click to enter “ECU
Click on the engine model option to enter the current vehicle
According to the software physical wiring diagram wiring
Physical connection
Read successfully and save the data
Show ISN and VIN
Return to cg-di, select unused key bits, and click “generate dealer keys”
Click on the next item that you select and click next
(Manually input known ISN)
(Manually input known ISN)
Check the information and click ok
Place new key
New key programming success.
http://blog.obdii365.com/2018/06/03/bmw-fem-bdc-add-key-and-all-keys-lost-with-cgdi-bmw/
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