How to use CGDI BMW Data Repair Function?

Device: CGDI Prog BMW key programmer

Function: BMW Data repair

Explanation: 

Supports modifying  ISN, VIN and frequency in the CAS data

Supports modifying the ISN, VIN in ECU data, N13, N20, N55 and B38 DME

The corresponding data type must be manually selected to modify the corresponding data otherwise an error will be reported.


			How to use CGDI BMW Data Repair Function?


			How to use CGDI BMW Data Repair Function?

How to know whether CAS data is encrypted? 
Use CG pro to read CAS data (CGDI BMW can read CAS4/CAS4+ data)

CAS1 CAS2 CAS3 CAS4 modify data
The CAS data is not encrypted, the CAS ISN and ECU ISN are the same.

How to replace CAS data?
The CAS data of car A is broken. You can find car B CAS data same model as car A. We only need  to change data of the frequency of the CAS data of car B, VIN and ISN to be the same as car A.
Remember to add key again.

Example: CAS3 data repair
Select data type: CAS3


			How to use CGDI BMW Data Repair Function?

Load eeprom data (i.e CAS3 0L01Y eeprom.bin)


			How to use CGDI BMW Data Repair Function?

change/modify VIN and CAS ISN


			How to use CGDI BMW Data Repair Function?


			How to use CGDI BMW Data Repair Function?

Save data


			How to use CGDI BMW Data Repair Function?

CAS3+ CAS4+ modify data

CAS3+ CAS4+ data is encrypted


			How to use CGDI BMW Data Repair Function?

For example CAS4+ data repair:

Select data type: CAS4

load eeprom data (i.e CAS4+ 5M48H.bin)


			How to use CGDI BMW Data Repair Function?

The current data is CAS for encrypted version data. Do you need to decrypt the ISN?


			How to use CGDI BMW Data Repair Function?

Click “No” will show you CAS ISN


			How to use CGDI BMW Data Repair Function?

Click “Yes” will show you ECU ISN

You will be tipped to put the key of the original car into the CGDI BMW coil; At this point, the car key of the data itself should be put in. (car A puts car A key, car B data put car B key). Or enter the corresponding key synchronization code. (if the key synchronization code is entered incorrectly).


			How to use CGDI BMW Data Repair Function?

Input the car key in the coil of cgdi bmw


			How to use CGDI BMW Data Repair Function?

Enter the original key data and confirm

How to replace encrypted CAS data?
Car A CAS data is broken, you can find car B CAS data same model as car A. You need the ECU ISN of car A, because the encrypted data CAS ISN is not consistent with car B,  then change the data as car A at the same frequency and the VIN.

That is, after loading the encrypted data of ar B, click No to show the CAS ISN of car B, and then write the ECU ISN of car A to the location of CAS ISN. Then modify frequency is the same as car A.
Save data, write it to car A. Remember to add key again.


			How to use CGDI BMW Data Repair Function?

Check key information

Select data type: CAS4, load eeprom data
Press not to decrypt the ISN
Select remote frequency: 868MHz
Manually modify/change VIN and paste DME ISN here


			How to use CGDI BMW Data Repair Function?

Press Yes to encrypt ISN

Select Modify ISN function

Press Yes to encrypt ISN


			How to use CGDI BMW Data Repair Function?

Save data


			How to use CGDI BMW Data Repair Function?

N13 N20 N55 B38 modify data

1. Load data, can not modify the frequency, other can be modified normally. After modification, save the data.

For example: repair N20 data

Select Data type N20 and load data


			How to use CGDI BMW Data Repair Function?


			How to use CGDI BMW Data Repair Function?


			How to use CGDI BMW Data Repair Function?

Modify VIN and ISN


			How to use CGDI BMW Data Repair Function?

Save data


			How to use CGDI BMW Data Repair Function?

2.Check if the data is incorrect
You can load the data and the wrong place will show up


			How to use CGDI BMW Data Repair Function?

3.Calculate DME ISN, CAS ISN and Key Code
Supports CAS4+ FEM BDC version and calculates a third data based on two data sets.

Example: calculate CAS4+

Paste DME ISN and key code, press Calculate


			How to use CGDI BMW Data Repair Function?

Calculate EWS ISN code success


			How to use CGDI BMW Data Repair Function?

Modify key code will calculate different ISN


			How to use CGDI BMW Data Repair Function?


			How to use CGDI BMW Data Repair Function?

4. Error report

An error is reported when the loaded data and the selected data type are inconsistent


			How to use CGDI BMW Data Repair Function?

An error is reported when the loaded flash data


			How to use CGDI BMW Data Repair Function?

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