* 3.0L Inline-6: This naturally aspirated engine produced 260 horsepower and 225 lb-ft of torque.
* 3.0L Twin-Turbocharged Inline-6: This more powerful engine generated 300 horsepower and 300 lb-ft of torque. It was part of the X3 xDrive35i model.
Both engines were mated to a 6-speed automatic transmission.