How to Recover BMW FEM BDC with Yanhua Mini ACDP

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

How to Recover BMW FEM BDC with Yanhua Mini ACDP

How to Recover BMW FEM/BDC with Yanhua ACDP?

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

How to Recover BMW FEM BDC with Yanhua Mini ACDP

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.

How to Recover BMW FEM BDC with Yanhua Mini ACDP

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.

How to Recover BMW FEM BDC with Yanhua Mini ACDP

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

See also
Yanhua Mini ACDP Replace BMW FEM/BDC Module Guide

How to Recover BMW FEM BDC with Yanhua Mini ACDP

How to Recover BMW FEM BDC with Yanhua Mini ACDP

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

How to Recover BMW FEM BDC with Yanhua Mini ACDP

Select original data starting with “M”

How to Recover BMW FEM BDC with Yanhua Mini ACDP

Recover eeprom data successfully.

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

How to Recover BMW FEM BDC with Yanhua Mini ACDP

How to Recover BMW FEM BDC with Yanhua Mini ACDP

Go back to main menu and select OBD detect FEM/BDC

Check whether the version information and coding are correct

How to Recover BMW FEM BDC with Yanhua Mini ACDP

How to Recover BMW FEM BDC with Yanhua Mini ACDP

Recover FEM/BDC data successfully.  Save data.

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

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