Originally Posted by AntiVenom

you need some basic supplies (the kit rvinyl sells will get you through) and a heatgun. I actually preferred a hair dryer since the my crappy Harbor Freight heatgun only has two settings; melt-your-face and dante's inferno.

since they are relatively cheap i'd also recommend getting a 2nd set. my first time i botched a headlight and wound up having to wait for a replacement to arrive. not a big deal, but frustrating nonetheless.

edit: i haven't done a 370z, but i've done two cars including my 2009 535i. which has a really crazy ridge in the middle that you have to work around. much worse than anything the Z has in terms of contours.