hier die Antwort auf Bimmerboard:
Here's the model number off mine
Yes, all you need to do is to remove the chip and insert it into your "new" one. All the programming to pair the remote to the alarm is in the chip.
they do come up in ebay every now and then. It is a
BMW original made by Alpine.
Here's a couple of rare pics of it in mint condition and the Alpine code rom.
http://www.bimmerboard.com/members/j...n%20remote.jpg
http://www.bimmerboard.com/members/j...remote%202.jpg