Polestar optimization also does increase horsepower a tiny bit (249 to 252) but not nearly as much as the torque. Also can change how the power is distributed, can send more torque to the rear wheels.
We still have the 9-3- it had a bunch of maintenance recently done. The 2002 XC70 was given to my cousin a few years ago and was replaced by a newer XC70.
Jaspreet Singh The quality of the last car turned us off from going back to BMW. My mom also has been intrigued by the XC40 since it came out, and loved it when she drove one last summer- so here we are!