2024/03/04

Yanhua Mini ACDP Recover BMW FEM BDC Module

 How-to: repair BMW FEM BDC module if lost coding during preprocessing using Yanhua Mini ACDP and module 2.

 

Recovery is required when:

1.preprocessing abnormal, no continue or stuck

2. WiFi connection disconnect during FEM/BDC preprocessing process

Yanhua Mini ACDP Recover BMW FEM BDC Module 1

How to Recover BMW FEM/BDC with Yanhua ACDP?

Reconnect ACDP
Go to BMW->FEM/BDC->IMMO/Mileage->BMW FEM/BDC (F series)

Yanhua Mini ACDP Recover BMW FEM BDC Module 2
Identify FEM/BDC again
Select OBD detect FEM/BDC
Connect the Yanhua ACDP and FEM/BDC module.
Compare original FEM information. You can see current module SWFL CAFD coding data are lost.

Yanhua Mini ACDP Recover BMW FEM BDC Module 3

We can re-write data to repair it.
Press OK
If ACDP says failed to backup coding data, press OK to continue
Press OK again if it says does not support this FEM/BDC version.

Yanhua Mini ACDP Recover BMW FEM BDC Module 4

Go back to main menu.

Here we take add key an an example
Select Mode 1 Add key
Select FEM/BDC initial programming process
Select Method 2: Manual single step operation
Select Step 6 Recover EEPROM

Yanhua Mini ACDP Recover BMW FEM BDC Module 5

Yanhua Mini ACDP Recover BMW FEM BDC Module 6


Select ICP method
Select chip type: 95128 (FEM) or 95256 (BDC)
Click Recover

Yanhua Mini ACDP Recover BMW FEM BDC Module 7
Select original data starting with “M”

Yanhua Mini ACDP Recover BMW FEM BDC Module 8

Recover eeprom data successfully.

 

Select Step 7: Reover coding data
Select original coding data
Recover coding data successfully

Yanhua Mini ACDP Recover BMW FEM BDC Module 9

Yanhua Mini ACDP Recover BMW FEM BDC Module 10
Go back to main menu and select OBD detect FEM/BDC

Check whether the version information and coding are correct

Yanhua Mini ACDP Recover BMW FEM BDC Module 11

Yanhua Mini ACDP Recover BMW FEM BDC Module 12

Recover FEM/BDC data successfully.  Save data.

Now re-preprocessing FEM/BDC then add key or do all keys lost.

Video reference:

 

Read also:

How to Reset BMW FEM/BDC Mileage with Yanhua Mini ACDP?

How to Add BMW FEM Key with Yanhua ACDP 2?

How to Replace BMW FEM/BDC Module by Yanhua Mini ACDP?

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