How CDGI BMW and CG100 Program BMW FEM/BDC

Since last October, all CGDI Prog BMW come with free BMW FEM/BDC function. This post will share a full guide about how to do BMW FEM/BDC key match with and without key with the help of CG100. Here, CG100 use to read out the FEM 95128 IC data and save it.

This post will be in two parts: copy key with key and copy key without key.

 

Open the car door, connect the vehicle and CGDI BMW via OBD, the vehicle maintains voltage is above 12v , do not turn off the computer screen during operation.

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 to read out 95128 IC data and save the data

Remove the 95128 chip and clip it to the ATMEGA adapter

 

Open the CG100 to read the data and save it

Use CGDI Prog BMW to load the data

Load successfully, save the new data generated by the system

Write back new data with CG100, weld back to module, and click next

Waiting for programming, after finish it, write back 95128 original data, put FEM into the car again, and click next

Then, use CG-100 to write back 95128 original data

When finished, click “next”

Set code successfully, customers can do any operation

 

The following guide will set into two parts: copy with key and copy without key

  1. Copy with key

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

Choose read working key, click Next

Read successfully and display information

After matching the key, a note will show out new key matched successfully

 

 

  1. Copy key without key

Use CG 100 to read the engine data

Choose “ECU

Click on the engine model option to enter the current vehicle

According to the software physical wiring diagram wiring

Physical connection

Click read EEPROM

Read successfully and save the data

Show ISN and VIN

Return to CGDI BMW, select unused key bits, and click “generate dealer keys””

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

Check the information and click ok

Place new key

New key programming success

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