51 21 150 Blocking, if necessary initializing, car key in immobilizer control module
WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Execution in diagnosis system:
->Service functions->
->Body->
->Locking and security functions->
->Remote control key
->Service functions->
->Body->
->Locking and security functions->
->Remote control key