Here are the specifics:
* Engine Type: 1.6-liter naturally aspirated four-cylinder petrol engine
* Power Output: 90 hp (66 kW)
* Torque: 99 lb-ft (134 Nm)
* Transmission: 5-speed manual or 4-speed automatic
It's important to note that there were also some special editions of the 2003 MINI Cooper with slightly different engine specifications. If you are looking for very specific information about your model, you can find it by entering your VIN number on the MINI website.