Hello NAM krew I just finished doing my intro but I have a 2002 mini cooper non s and I've been noticing a poor mpg and some sluggishness between 2500 and 3500rpm since I'm this is my firts mini I don't to much about them but I'm a huge fan of DYI love cars and love working on my own cars I'm a huge car fanatic so I like to do things the right way when it comes to work on my cars. Please if any body has an idea of what it is I will appreciated alot.

Thank you very much guys.