How to read and program BMW CAS4 key?

This tutorial of 2011 BMW 525 CAS4 reading by VVDI prog programmer and key programming by Xhorse VVDI2 commander

Car: BMW 525 2011

Eeprom: CAS4 01L15Y

You need have a working bmw cas4 programmer and a good bmw key programmer.

Here: vvdi prog to read cas4 & vvdi2 to program a new key

Step 1 VVDI Prog read BCM

Run VVDI Prog software

Select type: 4-immobilizer, brand: BMW, type: CAS4-1L15Y

Click on Connection Diagram

Connect the MC9S12 adapter to the BCM

Remove the component and solder back after the operation is complete

Read CAS4 1L15Y

Operation success!

Then save the bin file

Step 2 VVDI2 bmw make dealer key

Open VVDI 2 Quick Start

Go to vvdi BMW

Select Key Learn-> File make key

Select Type: CAS4 1L15Y

Load the EEPROM dump file: open the bin file (read by vvdi prog)

Note the remote frequency, then select Key ID7

Make dealer key

Note: preparing dealer key needs about 30 minutes; the windows may be false read. Please wait for the end. Input the new key to the programmer, then continue.

Write the key successfully!

Go to the car with the key. No need to write back eeprom.

Done!

source:http://blog.obdexpress.co.uk/2017/02/13/bmw-cas4-reading-key-programming-via-vvdi-prog-vvdi2/

VVDI Prog Programmer 4.4.0 Test Results from Customers

The is customer feedback collections of VVDI Prog Programmer (2.2.0-4.4.0) at OBDexpress.

Feedback on http://www.obdexpress.co.uk/wholesale/vvdi-prog-vvdi-prog-super-programmer.html

VVDI Prog 4.4.0 on BMW cars
Cas 3 0L15Y read/write eep+flash ok
Cas 3+ 0M23S read/write eep+flash ok
Cas 2 2K79X read/write eep+flash ok
Program BMW CAS4+ All Key Lost...test ok
Read BMW CAS2, CAS3, CAS3+ and CAS4 ECU...test ok
Read BMW Engine ECU ISN...test ok
read out BMW 5 series CAS data
adds BMW CAS4 key
Can't find a way to read Cas 1 for E65 mask 0K50E

VVDI Prog on Mercedes Benz
W211 ezs 4L40K read/write eep+flash ok

VVDI PROG programmer 4.1.4 on Great Wall, Delphi
Read Great Wall Delphi EEPROM 93C66...test ok
Read 5M48H and common 8pin IC...test ok

VVDI Prog 2.2.0 on VW
The programmer read VW 44 IC EEPROM
Calculate password

VVDI Prog on MCU Motorola 912Xd256
MCU Motorola 912Xd256 unsecured it
read ok
eeprom and flash write ok
wont write new data on
always says erase error
eeprom flash not

VVDI Prog get PIN code of Ford, Nissan, Hyundai, VW
Ford password calculation (get Incode with Outcode)

calculate Nissan 20 digital PIN code

Calculate Hyundai PIN code by VIN

Load data to calculate VW PIN