Cgdi Prog Program Bmw Cas3+ Key Via Obdauto Diagnostic Tool

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CGDI Prog BMW Key Programmer FEM/BDC Authorization. CGDI V1.1.0.0 Add content: 1. Increased F-system FEM key preparation (including increased total throw) CGDI V1.1.2.0 Add content: 1. Repair OBD key match load engine data or enter ISN code match key can not find the problem. Repair some CAS3 read data suggest the need to downgrade the problem. Here is little tutorial on getting ISN from BMW CAS3+ encrypted file with Xhorse VVDI2 BMW key programmer for all keys lost. Tool required: VVDI Prog or R270 programmer (Read CAS3+ encrypted file).

  1. Cgdi Prog Program Bmw Cas3+ Key Via Obdauto Diagnostic Tool
  2. Cgdi Prog Program Bmw Cas3+ Key Via Obdauto Diagnostic Tools

7) Make backup eeprom and flash via vvdi prog programer and than do downgrade or what ever you want. Youtube search: “how to read CAS dump by VVDI PROG” So if you need to do with VVDI2 via OBD. Go and get a battery stabilizer. The best way is to backup eeprom and write key on bench. 4.Use CGDI BMW programmer to program CAS 3 key.

Here is the little tutorial on programming BMW CAS3+ system key by using CGDI Prog BMW MSV80 key programmer via OBD.

Video Guide:



Connect CGDI Prog one end with laptop and the other Blue adapter with OBD socket

The right indicator on CGDI pro turns on indicates that well communication between device and laptop is built

Insert key into ignition

Open CGDI software on desktop

Turn ignition on

Select BMW CAS OBD Macth

CGDI Prog key programmer will detect vehicle information, VIN, CAS, number, CAS version, remote frequency, key number etc

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check connection stratus on the bottom

select Read key info

The left indicator on CGDI programmer flashes

Please remove the key from the ignition

Reading key data success


the car has 2 remote keys

Save eeprom data

select a key position unused: Key7

click on Generate dealer key

CAS3 encryption version macthing key need to enter the engine ISN, please choose to
obtain ISN code

select first option: Read Working Key, Place the key into the CGDI programmer coil

try to insert the key 16 or 84, press Next

Cgdi Prog Program Bmw Cas3+ Key Via Obdauto Diagnostic Tool

Whether the currently programmed key is a smart key, select NO

place the blank key into the CGDI Prog BMW key programmer coil

the key is being programmed

Programming key success

Learn key and program remote
Place the working key into the card slot
Press on Start buttton

Cgdi Prog Program Bmw Cas3+ Key Via Obdauto Diagnostic Tool

Dashboard indicators turn on
Remove the working key

Insert the new key into slot
press on the Start button

dashboard indicator turns on

Test the remote


CGDI prog BMW MSV80 is a good car key programmer for BMW. It supports key programming for BMW cas1/cas2/cas3, and supports key matching and all key lost for cas4 /cas 4+. Here have collected two test reports on CAS3+ and CAS4+ below.


To check if CGDI Prog BMW can program new key to CAS3+/ CAS4+ or not


Cgdi Prog Program Bmw Cas3+ Key Via Obdauto Diagnostic Tool

Test 1: CGDI BMW add new key to CAS3+ all keys lost- OK

Cgdi Prog Program Bmw Cas3+ Key Via Obdauto Diagnostic Tools

Note: It’s more convenient to work with the cables (DIY by professional technician), no need to dismantle or drill.

Step 1: Click “Read DME ISN” or select the corresponding ECU to read

Step 2: Read CAS key info by CGDI prog

Get ISN code and save

Note: Need to downgrade to CAS3

Step 3: Plug the blank into CGDI prog BMW coil

Confirm the key is smart key or not

Wait to program the key process completing

Program key success

Step 4: Use the new key programmed to test

Test 2: CGDI BMW MSV80 add new key to CAS4+ all keys lost- OK

Step 1: Read CAS4+ Immobilizer data by CG PRO 9S12

Note: Don’t forget to make backup before operation.

Step 2: Read engine ECU data with CG-100

Step 3: Program new key by CGDI BMW MSV80

Step 4: Put the new key to learn on BMW car and test it


Result: All success!

CGDI Prog BMW MSV80 key programmer can add new key to CAS3+/ CAS4+ AKL.

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