Another plant attacked! Honestly mate, with friends like that who needs enemies. I'd not let another living soul near them.

I think a filter and fan will be essential for you with the smell, although I have no experience with auto's, they'll surely have a good strong whiff about them.
Hope poor ol Papa smurfs' arm comes good. They are very resiliant plants and I've wrapped a bit of tape around a branch on one of mine that got snapped accidentally and left it. Pulled it off a couple of weeks later and it was good as new no worries.