Here’s how I removed my front strut when I lowered my E36 and installed Bilstein Struts and shocks.

First Video: http://youtu.be/arqpg-gXaoo

When looking over the shocks and struts be sure to look at other suspension parts as well as they often wear out and have play. Check out my suspension playlist here for more: http://www.youtube.com/playlist?list=PLkhjjEctsWyon7dUwa84VzYHuSkkwjgE8