Quote:
Originally Posted by ABMW
Read your manual London Lad. The system does not work as described. There is solid state flash memory in each key, and there is most certainly memory in the key.
The key records a variety of things, including when your car is due for maintenance, trouble codes, etc.
It's in your manual, but also well published throughout X5 forums that use modern smart keys.
Enjoy your new ride.
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I don't dispute that but its not what we are talking about here.