Be careful with the "lubing chain" one, it's pretty graphic -
http://www.gtcars.ca/2009/12/remembering-the-top-9-epic-auto-fails/
http://www.gtcars.ca/2009/12/remembering-the-top-9-epic-auto-fails/
Fingers in the bike chain made me want to :barf:
WOW the sludge in the BMW is rediculous