I've got a '94 540 sedan, with hitch. I'd like get some sort of carrier system for my bike and my girlfriend's bike. I've never had anything like this, so I really don't know pros and cons of the various systems available to me. I would like something that is easy to use, and can be uninstalled quickly(ie, I don't want a roof rack on my car all the time).

A quick look at Thule brought up several options: hitch mounted, trunk mounted, and roof mounted. Anyone have any experiences with this stuff?

Also--I have a spoiler. I'm not sure if that'll impact trunk mounted options or not.

Thanks