Hi,
the video gives you a step by step tutorial how to replace the front brakes of your BMW 1 series E87:
http://www.youtube.com/watch?v=GbtEV_J0pfM
The video has a German soundtrack, but English subtitles are available at YouTube. If you don't see them by default, watch the video directly at YouTube and press the subtitle button below the frame.
Enjoy it,
Jürgen