Would you trust your car to park itself? Would you trust your car to park itself if it was a €100,000 7 Series BMW? Ah the conflict, its a top of the range BMW so you would think it must be good, but the car is worth €100,000 so do you really want to find out the system doesn't work?
Here is the promotional video.
Reminds me of that Mercedes anti-collision system that was in the media last year. I cant find a video of it online, but it was shown on Top Gear and was hilarious.