MINI uses a combination of two horns - this horn is the Low pitch horn.
2002-2006 R50 MINI Cooper and R53 Cooper S Hatchback
2005-2008 R52 MINI Cooper and Cooper S Convertible
For the High pitch horn, see NMX8671.
Low pitch horn in on the right side (passenger side in US), and high pitch horn is on the drivers side (US models).
For the 2007+ Gen 2 MINIs, see G2NMX7667-P.