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Super Bowl ads are a multi-million dollar investment for brands, so it's hardly surprising to find some stretching that little bit 'too far' in their quest to ensure a positive return. But are they really crossing the line? Or are these just another example of the age old tactic of using controversy to gain exposure?

In 9 days, 10 hours and 23 minutes the biggest U.S. sporting event of the year, Super Bowl 46, will begin. But what does American Football have to do with cars?