Program BMW X1 CAS3+ Key with VVDI Prog & VVDI Key Tool Max

How-to Program BMW X1 CAS3+ Key using Xhorse VVDI Prog and Vvdi Key Tool Max programmers.

Update your keytool max to latest version because the file make key function (IMMO Data Tool) is required.

Main steps: 

Step 1: Read dump data

Step 2: Prepare dealer key

Step 3: Write data back

Step 4: Test key

Procedure:

Step 1: 

Remove CAS3+ module from vehicle and disassemble the unit

In VVDI Prog software, select 4-Immobilizer->BMW->CAS3+ 0L15Y

check wiring diagram

Connect CAS3+ with VVDIProg follow the diagram

Read data

Save data, i.e bmw x1 eeprom

Step 2: Prepare dealer key 

In key tool max app, select Special Function->Immo Data Tool-> Europe->BMW->CAS3+ (0L15Y, 0M23S)->File management

Open windows browser on PC and login “My Data”, website address http://i.xhorse.com

or scan PC QR code to quick login

Switch website language (Chinese to English)
Upload eeprom data from laptop (bmw x1 eeprom)

Check My Data on keytool max,  you can find the bmw x1 eeprom.bin

Select an unused key position

Insert a blank key into induction coil
Press Prepare dealer key

Select key type: PCF7936 (PCF7942/43/44/45)

Select Have a working key, insert working key to programmer and continue

Then input new key into key tool max

Prepare dealer key success.
It can start engine after write back ne dump file or learn it to car.
Add another new key need load the new data file.
Press OK to save the new dump file, i.e bmw x1 eprom_KEY_3

Download the new dump data (bmw x1 eprom_KEY_3) from Xhorse data center to your PC and cut to desktop

Step 3: Write Back data 
Open VVDI-Prog software

Open and upload new key dump data on desktop

Write data

Write data success
Verify data, check success

Step 4: Test key

Now desolder CAS3+ and install CAS unit
Test the new key with BMW CAS Test platform

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