2 Ways to Read/Write BMW N20/N55/N13 ISN without Opening DME

Yanhua Mini ACDP adds BMW N55 N20 N13 563TU N63TU MSV70 and MSS60 ISN Read/Write from DME.

04-18-2019 Yanhua Mini ACDP Update:

Read/Write N55 DME ISN
(E chassis)
Read/Write N20 DME ISN
(E chassis)
Read/Write N13 DME ISN
(E chassis)
Read/Write 563TU DME ISN
(E chassis)
Read/Write N63TU DME ISN
(E chassis)
(E chassis)
(E chassis)

yanhua-acdp-add-isn-model-1 yanhua-acdp-add-isn-model-2

ACDP introduces 2 Ways to Read/Write N20/N55/N13 ISN without Opening DME shell

Method 1:

Read and Write directly through OBD. Shown as picture below:


Example:  Read BMW MSV80 ISN code via OBD no soldering

Method 2:
Read and write ISN on the desktop platform.
No need to open the DME shell.

(Contact obdii365.com customer service if you need the desktop platform)

N20/N13 wiring connection

yanhua-acdp-add-isn-model-4 yanhua-acdp-add-isn-model-5

Shorten the jumper to the “CAN-R-Join” port according to the marked position


Yanhua ACDP BMW N55 DME Wiring Connection

yanhua-acdp-add-isn-model-8 yanhua-acdp-add-isn-model-9 yanhua-acdp-add-isn-model-10 yanhua-acdp-add-isn-model-11 yanhua-acdp-add-isn-model-12
Yanhua ACDP supported DME ISN models till now (April 2019):
N20(MEVD1724, MEVD172P, MEVD1729), N13(MEVD1725, ), N55(MEVD172, MEVD1726, MEVD172G, MEVD172S, MEVD17, ), MSV80, MSD81, MS085,
MSD85HY, MSD87, MSV90, MEVD1728(s63), MEV1722, MED172, MEVD1727, DDE701,DC17C50, BMSX…
N62_TUE2/ MEV9N46/MEV9N46L
563TU/N63TU/MSV70/MSS60 (New Update)

CGDI BMW Program CAS3 CAS4 All Key Lost No need DME ISN

Why CGDI Prog BMW is one of the must-to-have BMW Devices ?
No need DME ISN or Removing ISN when All Key Lost.

Note: The BMW Data modification and verification license is required. The license is free to use.


1.Test CAS3 All keys lost

2.Test CAS4 all keys lost


Read CAS3 eeprom dand CAS4 dflash data with CG PRO or VVDI PROG

1 .Test CAS3 All keys lost No need DEM ISN code


Select BMW Data Modify

Select Data type: CAS3

cgdi-bmw-cas-all-key-lost-2 cgdi-bmw-cas-all-key-lost-3
Load CAS3 eeprom

The current data is CAS for encrypted version data. Click on NO and don’t decrypt the ISN.

CGDI BMW display VIN and CAS ISN code
Copy the ISN code
Go back to CGDI function menu

Select CAS3 Key Match

cgdi-bmw-cas-all-key-lost-7 cgdi-bmw-cas-all-key-lost-8
Load CAS data

Select a unused key position and Generate Dealer Key

Choose Manually enter a known ISN
Paste the ISN code here, press Next

Place the blank key into CGDI key programmer

If the current programmed key is a smart key, the key will be locked.

Program key success. The key is locked.

2.Test CAS4 All Keys Lost


In Tango key programmer,  select BMW->Cars-> CAS4



Upload CAS4 dflash data


Detected CAS4+ Type


Select I have DME ISN


Tango asks to enter a DME ISN code to continue


Go to CGDI BMW, select BMW Data Modify->CAS4 type


Load CAS4 dflash data

The current data is CAS for encrypted version data.
Press Yes to decrypt the ISN



Paste the ISN code to Tango corresponding area

Select a key position and write key.

How to Reset BMW F series 6HP EGS with Yanhua Mini ACDP?

Yanhua Mini ACDP and module 11adds BMW F series 6HP EGS reset function in March, 2019.


How to Reset BMW F series 6HP EGS with Yanhua Mini ACDP?


Step 1. Prepare ACDP, OBP+ICP adapter, EGS interface board and EGS module.

yanhua-mini-acdp-reset-6hp-egs-03 yanhua-mini-acdp-reset-6hp-egs-02
Step 2. Connect the 6HP end of the EGS interface board to the EGS module interface.


Step 3. Short the CAN termination resistor on the OBP+ICP adapter to the “CAN-R-Join” terminal.


Step 4: Shorton the jumper cap to the “CAN-R-Join” according to the marked position


Connect the ACDP, OBP+ICP adapter, EGS interface board and EGS module.

Go to BMW Programming function->Clear EGS ISN-> Clear ISN


Yanhua Mini ACDP unsupported in all models DME 17241725172p

Yanhua Mini ACDP unsupported in all models DME 17241725172p

I have Yanhua Mini ACDP with Module 2, 3,7,11 authorized, only need to solve the module read and write the code ISN DME. It’s open but it doesn’t do the job. Says unsupported in all models DME 1724/1725/172p

Look here for screenshots:

yanhua-mini-acdp-unsupported -in-all-models-DME-1724-1725-172p-01yanhua-mini-acdp-unsupported -in-all-models-DME-1724-1725-172p-01
yanhua-mini-acdp-unsupported -in-all-models-DME-1724-1725-172p-02yanhua-mini-acdp-unsupported -in-all-models-DME-1724-1725-172p-02

Finally Solved by the engineer:

How? here is solution:

*  Browse ACDP official site: http://www.acdpmaster.com/.
*  Click on “Resource Download“.
*  Choose and download “Click the icon to download ACDP PC software (with resource bundle), shown as below.
*  Put the above file into this path:
” Nanning Yanhua\PC-ACDP\WebResource\aliyun\CCDP_Web\en\DevFiles\Mini-ACDP”.


CGDI Prog BMW MSV80 Auto key programmer

CGDI Prog BMW MSV80 BMW CGDI Prog Car Key Programmer

Top 7 Raisons To Get CGDI Prog BMW MSV80:
1.High outil technique qui soutient principalement le diagnostic automatique, la programmation et la maintenance de sécurité 3 en 1.
2.Programmation des clés 2.Support pour BMW CAS1 / CAS2 / CAS3 et compatibilité avec les clés et toutes les clés perdues pour CAS4 / CAS 4+;
3.Support BMW Key Programming avec fonctions OBD
4. Réponse rapide au logiciel, programmation à court terme et nouvelle percée en sécurité opérationnelle et assistance technique.
5. Langues supportées: chinois, anglais
6. Certification: CCC, CE, GS, CCC, CE, GS, ISO

7. Garantie: 1 an

NOTICE:3 mois par une fois activée,Six mois après le tarif de mise à niveau est de 10 USD par mois, le premier trimestre est de 30 USD
CGDI Prog newly add bmw FEM\BDC functions, you need to pay 160euros  to get this authorization.
CGDI Prog BMW MSV80 Main Function:
Auto diagnose
Security maintenance
CGDI MSV80 BMW Car Key Programmer Support Module list:
1.BMW CAS1/CAS2/CAS3/CAS3+/key increasing matching,KEY all lost matching,CAS computer replace,CAS3+/P4X above version
can directly downgrade by OBD in 5 minus 100% safety.
2.BMW CAS4/CAS4+/Support key matching,support key all lost matching.
3.Support BMW key inspection,can check key what status in
CGDI BMW Key Programmer Support Model list and Woking Time:


CGDI MSV80 BMW Car Key Programmer CGDI Functions:
1.Update in real time,products updated in zero cycle time,support model added in real time.
2.BMW CAS3/CAS3+Data repair–support change replace and split CAS computer,BMW MSV80/MSV80.0/MSD80/MSD80.0/MSD85/engine
change computer,ISN code reading and writing.
3.Equipment security greatly enhanced, the hardware anti-crack,anti-software copy.
CGDI Prog BMW MSV80 Support Model list:


CGDI Prog BMW MSV80 Read MSV80 specification:
Method 1: can read directly ISN code in the car,pls be assure car voltage is 12V above,directly connect OBD to operate–time about 5 minus.

4-4 4-5

MSV80/D80/D85/wiring in the experimental bench
CGDI Prog BMW MSV80Package includes:
1pc x CGDI Prog BMW MSV80 Main unit
1pc x Adapter
1pc x USB line
Methods 2: can directly split engine computer (DME) to operate–connectline as follows:

CGDI Prog BMW MSV80 Auto key programmer update Guide

CGDI Key Programmer is high technical products which mainly doing Auto Scanner Tools, programming, security maintenance. This blog will show you how CGDI Prog BMW MSV80 Automotive Diagnostic Tools update.


CGDI Prog BMW MSV80 Software Update Guide:

Step 1. Receive message ” There is a new version”, click on “OK”
Step 2. Click on “Setting”, then “Check for updates”, waiting until the next dialog box appears.
Step 3. Checking local file.
Step 4. Detects a new file, click “Yes” to update.
Step 5. Downloading file.

CGDI Prog Key Programmer Firmware Update Gudie:

Step 1. Connect CGDI Pro device to the computer, open CGDI software.
Step 2. Click on “Setting” and then “Upgrade the firmware”, waiting.
Step 3. Updating…
Step 4. CGDI programmer firmware update successfully, again click on “Upgrade the firmware”.
Step 5. Get message reading ” The version is already up to date without upgrading”. Click on “OK”.