A friend broke the tip of the key off in my '95 Mystique ignition and I thought I would have to replace the entire cylinder as well, but after a search on Google, found a tip where I used two larger-toothed jigsaw blades with the ends grinded down by a dremel tool. Just insert the blades in each side with the teeth pointing outwards and jiggle the broken piece out. It's tricky but with patience you will get it out.