How-to: BMW M3 2011 CAS3+ ISTAP 0L15Y spare key programming with xhorse mini prog and key tool max.
1.Read EEPROM with VVDI Mini Prog
Remove CAS3+ Module
Connect mini prog CAS3 solder free adapter with CAS3 module
Follow mini prog app prompts to read EEPROM and save data
2.Make dealer key with xhorse vvdi key tool max
In key tool max app, select Special function -Immo data tool- BMW- CAS3+ 0L15Y
Then load eeprom read by the mini prog
Write key with dump
Reinstall CAS3+ module.
Test new key and remote control.
Done.
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