Mini Cooper Facelift Maintenance costs

Hello together, I am currently thinking about the purchase of a Mini Cooper from BJ 2005 and would therefore like to know which maintenance costs I have to expect about the year. I am particularly interested in such normal things as – small inspection (oil change etc.) – large inspection (with filters, brake fluid etc.) – brake change – other Would be very happy about a few guideline values. Also with further tips etc. Thank you!