The official BMW site in English and German. With nice pictures, watch the BMW extra's like a illuminated shifter knob, very nice but $$$ !!! Have 1 my self...

The UNofficial BMW site.

Ton's of BMW know-how all orginaized in a FAQ. Nice pictures, BMW owners there cars history, links, etc, etc.

The BMW M Power site.

BMW M 3/5 stuff, technical and pictures.