One Touch Open/Close Sunroof . . . DIY! http://www.bmwe36blog.com/2008/11/23/one-touch-... To start this is a very easy mod, will cost about $25 plus shipping from this link.Here are the basic tools you will need: your hands, a wire cutter/stripper/crimper and one butt connector. I thought I might need a screw driver but I did not.