For BMW MINI R50 R52 R53 R55 R56 R57 R58 R59 R60 R61. Fuel Type：Petrol only. Filler Cap, Fuel Tank Cap, Fuel Cap, Filler Cap 161011 For Mini cooper 2006 2009 2014. The primary role of a fuel tank cap is to create a tight seal that prevents fuel vapor from escaping the fuel tank through the filler neck.
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