In its first year, the X3 sold almost as well as the larger X5, doubling BMW's impact on the SUV market, and there's little sign of the trend toward smaller, more fuel-efficient SUVs cooling off any time soon. The X3's drivetrain is equipped with BMW's xDrive all-wheel-drive system, Dynamic Stability Control and Hill Descent Control, all designed to give it tenacious grip and secure control in less than favorable conditions. 2006 BMW X3 Review This car review is specific to this model, not the actual vehicle for sale Cruise Control✔ Climate Control✔ AM/FM✔ Sport Package✔ Sunroof/Moonroof✔ Bluetooth✔ Navigation System✔ Alloy Wheels