Originally Posted by bloc
Just a guess, but newer immobilization systems typically have a permanent RFID "code" for each and every key that makes it unique, which means they usually need to program the vehicle to accept that new "code" as having permission to start it.
Actually the ECU on my '07 GSA has I believe 7 [9?] key codes pre-programmed for my bike...any of the 7 will work in the bike...you lose a key with the #1 code on it...you pay the $$$$$$$$$ and they sell you a new key with the #2 code on it...and so on as you lose keys..
The previous codes on replaced keys are forever invalid...
I believe that all these 'wonder keys' for the BMW motorcycles are set up with these backup extra codes that will recognize each other.
2007 R1200GS Adventure " ...to explore off-road, alone in my case, way out in the boonies...that feeds the soul!"