The movie transporter

Which car is that guy Frank driving. Cause two cars are mentioned 12 and half minutes in.

1999 BMW 735

and:

1999 BMW 765

Which car is it?
And that ignition code thing what it called and what it do?

I am asking because i am looking to purchase the one he uses in the escape from bank in beginning kind of a fantasy car for me.

Go to http://www.moviemistakes.com/film2674/page2
You will see every mistake made in that movie!It's a shame they badger the Beemer that way....