You can open the gas cap, on your 2005 mini Cooper, by pulling up on the gas cap lever. You can find the gas cap lever next to the drivers seat, on the left-hand side.
To remove the gas cap on a 2003 Mini Cooper, first ensure the vehicle is turned off. Locate the gas cap on the driver's side; it should be behind a small door that opens when you press on it. Simply turn the gas cap counterclockwise to unscrew it. If it feels stuck, make sure you're turning it the right way and check for any debris around the cap.
The 2011 MINI Cooper is a gas-powered vehicle.
The 2014 MINI Cooper is a gas-powered vehicle.
The 2007 MINI Cooper is a gas-powered vehicle.
The 2012 MINI Cooper is a gas-powered vehicle.
The 2002 MINI Cooper is a gas-powered vehicle.
The 2003 MINI Cooper is a gas-powered vehicle.
The 2004 MINI Cooper is a gas-powered vehicle.
The 2005 MINI Cooper is a gas-powered vehicle.
The 2013 MINI Cooper is a gas-powered vehicle.
The 2008 MINI Cooper is a gas-powered vehicle.
The 2009 MINI Cooper is a gas-powered vehicle.