I bought my BMW about a month ago and was surprised to find these "scent wafers" under the front seats of my car. Especially since I'd expect some sort of clean scent when picking up a new car from BMW but they are pina colada - I've never been a big fan of scents like that. Anyway, I've grown to like it and they have actually lasted very well. In fact, my friend got in the car the other day and commented about how good it smelled. I checked out the website and have decided to buy a pack of these things. They have them in all different scents and most of them come bulk, but they also have a sampler pack. That is probably the way I'm going to go until I can find what I like. I'll report back after some use. I've attached the link below:
http://wonderwafers.com/carairfresheners.html