How to Add a BMW FEM key with Yanhua BMW FEM/BDC programmer by OBD

Here, 5 steps for you to use Yanhua BMW FEM/BDC programmer to add/program a new FEM system key by OBD.

 

Step 1: Backup (read) coding data

Step 2: Update/program ECU

Step 3: Add key

Step 4: Recover (write) coding data

Step 5: Delete(disable) key

 

 

Yanhua BMW FEM Key Programmer adds a BMW 1 series 2014 FEM key

Video 1: Software in Chinese with English explanation

Video 2:  YH BMW FEM Key Programmer in English software

Step 1: Backup (read) coding data

 

Cut off the power supply

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Disassemble FEM

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Take photos before you disassemble the FEM for correct fuse location

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Take apart the IC chip to read and save data

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Desolder the IC chip on the programmer board

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Read EEPROM chip data with universal programmer, e.g Yanhua CKM100. Run CKM100 car key master software Yanhua Auto Master Series to read data

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Go to Specialized programmer, then IC chip: 95128

Read and save original 95128 EEPROM data to BIN format

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Then back to YH BMW FEM programmer software

Disconnect the battery and remove FEM/BDC, read 95128/95256 EEPROM data with universal programmer and save it

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The software prompts to write the newly generated EEPROM data back to EEPROM chip, solder the EEPROM back to FEM/BDC.

Install the FEM/BDC back to vehicle. Recover normal power supply for vehicle and turn on ignition switch.

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In Yanhua Auto Master Series, restore/back data

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Write data successfully

Then desolder the IC chip to the FEM EEPROM

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Then install the FEM to the car

 

Step 2: Update/program ECU

 

Software prompts to upgrade ECU. Please ensure the vehicle voltage no less than 13.0V.

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The software prompt that upgrading ECU. It will take 15-30 minutes. The software began to count down.

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Step 3: program/learn (add) key

 

Restore the original data with CKM100 car key master software

Please recover the first reading original EEPROM data by programmer. And install the FEM/BDC and restore normal power supply for vehicle.

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The working key is close to the emergency starting induction antenna (located on the lower right of the steering wheel)

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The software reads and displays the relevant information about the working key.

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Software pop-up key list, the user can choose key which need to be added. Learn the key number and click “Learn new key” (Recommend to use the key number sequentially and in turn)

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Learn a new key

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Put he new key here for key learning

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Exit

 

Step 4: Recover (write) coding data

Write coding data successfully

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Successfully programmed a new key

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Step 5: Delete (disable) key

DO NOT delete the working key

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Deleted keys disabled

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Success!! Yanhua BMW FEM/BDC key programmer programmed a new key.

 

Yanhua BMW FEM BDC Key Programmer User Manual

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