51 21 150 Blocking, If Necessary Initializing, Car Key In Immobilizer Control Module
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
- Connect diagnosis system.
- Select model.
- Block car key.
- Initialize both car keys.
- Check function.