51 21 150 Blocking, if necessary initializing, car key in immobilizer control module
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2014 BMW X6, 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, and 2010 BMW X6. 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