This is a magnetic sump plug to fit all versions of the R50, R52 and R53 MINI's
It has a M14 x 1.5 thread and comes with the required washer.
The magnet attracts metal filings that will naturally occur in the oil, it's a great way to monitor the condition of your engine over time.
Extra Note: A 14 mm Socket or Spanner is needed for this item