How to use VVDI2 to add CAS4+ keys thru OBD2 (BMW 730LD)

Test report: VVDI2 CAS4/CAS4+ thru OBD

Car: BMW 730LD (CAS4+ 5M48H)

connect the vvdi2 machine to the car thru obd port and the laptop

go to VVDI2 BMW software

select CAS4/CAS4+ F series

get key info

VVDI2 read out key info

unlock cas4/cas4+


– you are gonna perform cas4/ca4+ programming function. it will take 10 minutes

– you must provide extra power to the car before programming

– if all keys are lost, please press the brake and open light to activate communication

unlocking cas4/cas4+…

cas4/ca4+ unlock success1

you can make a dealer key or reset km via obdii

select a key position

prepare a dealer key with a programmer

having a working key

switch ignition on with a working key

insert the working key to ignition switch

prepare record the following information

info saved at : My document – vvdi2 – cas4

put the original key into vvdi2

put the new key into the vvdi2 programmer

key  is written successfully

go to the car with the key

no need write back eeprom

the car started successfully

the remote function worked well

Success! VVDI2 can add CAS4/CAS4+ keys thru OBD2. Done!


Note: CAS4/CAS4+ by OBD is activated for users with

1.  vvdi2 full kit:

2. vvdi2 with BMW full configuration: (with/without fem/bdc config.)

It’s a free function.  But you should have the new sw: at least 6.6.1

VVDI2 6.6.5 update: unlock CAS4 without flash

Free download VVDI2 6.6.5.exe
Date: 2019-08-29
Released notes: 
Firmware: Require firmware V6.6.5
VVDI2 VAG V6.6.5:
1. Improvement for autodetect VAG immobilizer system
2. Bugfix
VVDI2 BMW V6.6.5:
1. Improvement for CAS4/CAS4+ via OBDII
1). Can unlock CAS4 directly, no need update CAS4 flash
2). Improvement for key learning
2. BugfixVVDI2 Porsche V6.6.5:
1. Bugfix

VVDI2 PSA V6.6.5:
1. Bugfix

VVDI2 Transponder Programmer V6.6.5:
1. Bugfix for generate and copy Toyota H chip with VVDI super chip
2. Immobilizer data tool: Asia->Nissan->Note 2004 95080 bugfix
3. Bugfix

VVDI2 Copy 48 (96 bits) V6.6.5:
1. Bugfix

VVDI2 J2534 V6.6.5:
1. Bugfix

VVDI2 Online Upate Tool V6.6.5:
1. Bugfix

VVDI2 Quick Start V6.6.5:
1. Bugfix