Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Here’s little guide to make BMW X3 EWS4 transponder key with new VVDI PROG EWS4 adapter and VVDI2 key programmer.

Step 1: Read EWS4 Eeprom by VVDI Prog


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Remove dash

Take out EWS4 immo box


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Disassemble the EWS4 module


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Put EWS4 module in the VVDI PROG EWS4 adapter and lock it


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Connect VVDI PROG with EWS4 adapter, then connect vvdi programmer with computer with USB cable


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Open VVDI Prog software

Select Type 4th Immo, BMW and chip EWS4 adapter

Check connection diagram


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Click Read ID to identify the Micro and make sure that the connection is correct to avoid possible failures.


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Chip initialization, make sure all chip type matches

It has to match any of them, if not, it is connected badly


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Click Read to read eeprom data and save it

See also
Program Mercedes W221 All Keys Lost with Diagspeed MB Key OBD2


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Step 2: Program EWS4 key by VVDI2 key programmer

Open VVDI2 BMW software

Select Transponder Programmer


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Select Auto detect Transponder: PCF7935


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Choose Immobilizer Data Tool function

Select region Euro, vehicle make BMW and immo type EWS4


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Click Load EEPROM Dump


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

select an unused key position and press Make Dealer Key


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Prepare dealer key success. Now the key can start engine.


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Reinstall EWS4 module back to car.

Test the new key, remote works, car starts


			Program BMW X3 EWS4 Transponder with VVDI Prog & VVDI2

Done.

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