There goes that theory. The car gave me the warning again today despite keeping the keys far far away. It did go longer between warnings but still came back.
Current - 2013 N55 535xi Msport SAT
Retired - 2009 N54 335i Msport 6MT
Retired - 2000 M52TU 323i ASA Supercharged 5MT
More photos of my car here