E- Series key for bmw

Remote Key (BMW E-Series – EWS3 / EWS4)

Original BMW remote key for E-series models. Reliable solution with integrated immobilizer and remote locking.

Key type:
Remote key

Markets:
EU / USA / ASIA / AUO

System:
EWS3 / EWS4 immobilizer

Transponder:
PCF7935 (ID33 / ID44, integrated)

Frequency:
315 MHz / 433 MHz

Battery:
VL2020 (rechargeable, soldered)
CR2025 (aftermarket versions)

Transponder cloning:
Not supported

Skill level:
Basic to professional (depends on method)

Key profile:
HU92R

Code series:
1 – 8100 (cuts: 8-8, Card: 1096, ISN: 5912)
HA00000001 – HA00008100 (Card: 1096, ISN: 7506)
HA00000010 – HA00081009 (Card: 1096, ISN: 7507)

Lock / decoding info:
Opening direction (LHD): counter-clockwise
Door / ignition / trunk supported
8 cuts, 4 depths
Same cuts on both sides

Programming overview:
Add key → OBD (if working key available)
All keys lost → EEPROM / bench

Key slots:
Up to 10 keys

Remote programming:
Manual synchronization required

Key erasing:
Not automatic

EEPROM / Bench details:
Units: EWS3 / EWS4
Data reading required for key generation

Common adapters:
AK90 / Xhorse / VVDI Prog / EEPROM tools

Remote synchronization (manual):
Ignition ON → OFF
Hold unlock + press lock 3 times
Release and repeat for additional keys

Key construction:
Original key sealed (glued housing)
Battery replacement requires opening and re-gluing
Rechargeable battery charges while driving

Tools used:
AK90
Autel IM608 / IM508
Xhorse VVDI2 / Key Tool
CGDI BMW
Abrites AVDI
EEPROM tools (XPROG, VVDI Prog)

Reference:
Add key: ~60 min
All keys lost: ~90 min

Included:
Key, cutting, programming, full test

Service:
Same-day solution. Ready to drive.