Program BMW X3 2007 EWS4 Key with VVDI Prog & VVDI2

Here’s the tutorial on programming BMW X3 year 2007 chip 73 transponder key EWS4.4 system with VVDI Prog and VVDI2 key programmer.

Step 1: Read EWS4 eeprom dump with VVDI Prog

Remove EWS4 box from vehicle

Disassemble the EWS4 module

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

Check connection diagram
Read IC 2L86D by VVDI Prog and EWS4 adapter

Choose Immobilizer-BMW-EWS4 adapter
Press Read and save file

Step 2: Make dealer key with VVDI2 BMW

Now use VVDI2 for programming chip

Select Transponder Programmer

Check adding chip: 7935 blank

Choose Menu Immobilizer Data Tool->Euro->BMW->EWS4
Load EEPROM dump just read by VVDI prog

Key 1, 2,3 used so choose to program key4

Put chip 7935 into VVDI2 then press Make Dealer Key
start make dealer key

Prepare dealer key success.

After program key then install EWS box back to car

Test key by trying to synchronize key then start.

VVDIshop.com