I just bought a 2009 Mini Cooper John works edition s model it has 58,000 miles on it the day I bought it, it drove awesome then on the way home when I was going home it felt like there was no boost. Took it to mini to get them to check it out they said the turbo was great on it and there was no check engine codes it still doesn’t have the true like the first time I drove it. What could be the issue

 

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