Its just like your key it self....(same principle) when you stick your key in the ignition.... a electronic signal is sent to that micro chip.. and then back... (to the sending unit... ecu) if it does not match... and complete the circuit for the ecu of your car... then the ignition will not be powered. Its like a matching game. Thats why when BMW first came out with that... (In mid 95 "I think" ) BMWs were so hard to steal. Now most companies do the same.
(I am no positive BMW came out with it first... just the thought)
Not that I know of... I know a few sneaky people..... I think they'd rather stay away from our cars... due to all of the protections of our computer... and tracking now a days. I'm not 100% sure if you can or not.. but I'd venture to say no... it would take a lot of work.
(kinda like the movie... cant remember the title.. but they had to have the exact keys for a Mercedes... because they were laser cut.... same principle for a BMW.. its not a easy steal. But I'm not sure.
Suddenly I have the urge to drive a 1967 Shelby GT Cobra named Elanor.
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