A defective Gas Cap can trigger the Check Engine Light.

Fits:

2002-2006 R50 MINI Cooper and R53 Cooper S Hardtop
2005-2008 R52 MINI Cooper and Cooper S Convertibles
2007-2013 R56 MINI Cooper and Cooper S Hatchback
2008+ R55 MINI Cooper and Cooper S Clubman
2009+ R57 MINI Cooper and Cooper S Hatchback
2011+ R60 MINI Cooper and Cooper S Countryman
2012+ R58 MINI Cooper and Cooper S Coupe
2012+ R59 MINI Cooper and Cooper S Roadster
2013+ R61 MINI Cooper and Cooper S Paceman

Also fit the new F56 & F55!
2014+ F56 MINI Cooper and Cooper S Hatchback
2015+ F55 MINI Cooper and Cooper S Hatchback

The Strap for the Gas Cap is available separately for the 02-06 R50/53 Hardtop.

Fits:

2002-2006 R50 MINI Cooper and R53 Cooper S Hatchback