BMW fault code 002F
Electronic immobilizer
In the electronic immobilizer, code 002F means different things depending on the version of the module in the car. Find your car below; the app shows the right one for yours.
EWS: Internal control-module fault (watchdog reset)
Module versions: Electronic immobilizer 3 (EWS3), Electronic immobilizer 3D (EWS3D)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, 7 Series (E38) 1995–2001, X3 (E83) 2003–2010, X5 (E53) 1999–2006, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008, Z8 (E52) 2000–2003
Watchdog reset
Module version: Electronic immobilizer 2 (EWS)
In: 3 Series (E36) 1990–2000, 5 Series (E39) 1995–2003, 7 Series (E38) 1995–2001
Reading and clearing it
Fault code 002F is a BMW code, stored in the car's electronic immobilizer, not a generic OBD2 code (P0xxx): a generic OBD2 reader only reaches the engine's emissions faults, so it won't show it. AutoLingo for BMW reads it with BMW's own diagnostic protocols, in plain English, with the details the module stored about it, and clears it after a repair. If a fault comes right back after it's cleared, the problem is still there.
The electronic immobilizer is on: 8 Series (E31), 5 Series (E34), 3 Series (E36), Z3 (E36/7), 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)
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