X5 Key Codes - how does it work?
I always wondered about this... BMW says that each time you use the key to turn the car on, a new "code" is sent to the key so that it would know to start the car with that new code next time the car is started. This is a "security feature" that prevents "code grabbing"... Ok, that makes sense...
But how does my wife's key know this same code after my key supposedly got a "new code" during starting?
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2004 Porsche 911 C4S X51, Seal Grey / Black
2006 Porsche Boxster S, Guards Red / Sand Beige
2008 BMW X5 4.8i, Black Sapphire / Saddle Brown
2001 Audi A4 1.8tq, Laser Red / Black, APR Stage 2, H&R Coilovers
2002 Suzuki GSX600 Katana, Yellow
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01-11-2009, 03:24 PM
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