CGDI BMW tutorial:How to change mileage for BMW FEM&BDC Anti-theft Module
Here suggest you to use full test platform to test. If you don’t use platform, you can only disassemble and put the device back to the car again and again, which will damage the car and chip.
Car Rar mileage:
The position of the BDC anti-theft box is in the co-pilot postion 
BDC:
There is 95256 chip on the BDC module, which will be used during operation
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Connect the BDC module to the platform and follow the software prompts
Click “BMW KEY Match (OBD)”
The current FEM/BDC needs to update the ECEU program before performing key matching.pls ensure that
the car battery has enough power,pls keep the CGDI BMW cable connection during the programing.whether
to continue?
Click YES
Note:
Here has two ways to read EEPROM,Please choose the second one
1.Use programmer to read FEM/BDC 8-pin chip date:pls remove 95128/95256 chip form FEM/BDC,use programmer
to read date and save,then click “next”button
2.Use EEPROM adapter to read FEM/BDC 8-pin chip date,pls remove the FEM/BDC from the car(must cut off power)
and properly connect then click the “next”button
Please wire as follows：
Follow the video to do all steps:
BDC anti-theft module mileage reset with CGDI BMW : without issue
Change the mileage what you want
