[Kal101]

Originally Posted by tjlees

My understanding is now the original key has to be present to programme a blank key via the OBD port.

I have not seen a port lock, but I've seen the OBD port moved, leaving a unconnected port in its place.

Edit: here is a thread on disabling the port
http://f30.bimmerpost.com/forums/sho...d.php?t=688307
And another (a long one but some good stuff buried in here )....
http://www.pistonheads.com/gassing/t...blank+BMW+keys

Thanks for that lot of info on those links.