CGDI BMW Repair CAS1 CAS2 CAS3 CAS4 N20 N13 N55 B38 Data

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.

Cgdi Bmw Repair Data 1

Cgdi Bmw Repair Data 2

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

Cgdi Bmw Repair Data Cas3 1

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

Cgdi Bmw Repair Data Cas3 2
change/modify VIN and CAS ISN

Cgdi Bmw Repair Data Cas3 3

Cgdi Bmw Repair Data Cas3 4

Save data

Cgdi Bmw Repair Data Cas3 5

CAS3+ CAS4+ modify data

CAS3+ CAS4+ data is encrypted

Cgdi Bmw Repair Data 4

For example CAS4+ data repair:

Select data type: CAS4

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

Cgdi Bmw Repair Data Cas4 2
The current data is CAS for encrypted version data. Do you need to decrypt the ISN?

Cgdi Bmw Repair Data 4

Click “No” will show you CAS ISN

Cgdi Bmw Repair Data Cas4 3
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).

Cgdi Bmw Repair Data Cas4 4

Input the car key in the coil of cgdi bmw

Cgdi Bmw Repair Data Cas4 5

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.

Cgdi Bmw Repair Data Cas4 7

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

Cgdi Bmw Repair Data Cas4 8

Press Yes to encrypt ISN

Select Modify ISN function

Press Yes to encrypt ISN

Cgdi Bmw Repair Data Cas4 9

Save data

Cgdi Bmw Repair Data Cas4 10

 

 

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

Cgdi Bmw Repair Data N20 1

Cgdi Bmw Repair Data N20 8

Cgdi Bmw Repair Data N20 9

Modify VIN and ISN

Cgdi Bmw Repair Data N20 10

Save data

Cgdi Bmw Repair Data N20 11

 

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

Cgdi Bmw Repair Data N20 2

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

Cgdi Bmw Repair Data N20 3

Calculate EWS ISN code success

Cgdi Bmw Repair Data N20 4

Modify key code will calculate different ISN

Cgdi Bmw Repair Data N20 5

Cgdi Bmw Repair Data N20 6

 

4. Error report

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

Cgdi Bmw File Verification Failed

An error is reported when the loaded flash data

Cgdi Bmw Incorrect File Type

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