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The 2009 BMW X3 comes with three different tire sizes: 235/55R17, 235/50R18, and 235/45ZR19. If you're wondering about the tire pressure for this car, it varies depending on the tire size. For the 235/55R17 tires, the recommended pressure is 32 psi in the front and 33 psi in the back. The 235/50R18 97H needs 32 psi in the front and 35 psi in the back. For the 235/50R18 97V, the tire pressure is 32 psi in the front and 33 psi in the back. Lastly, the 235/45ZR19 requires 32 psi in the front and 38 psi in the back. The wheel size of the BMW X3 is 17 inches in diameter and 8 inches in width.
The suggested tire pressure for the front tires of the 2009 BMW X3 is 32 pounds per square inch (psi), while for the rear tires, it is recommended to be 33 psi. The front tires have a size of 235/55R17, and the rear tires match this size as well. The standard wheels for the 2009 BMW X3 are 17-inch silver aluminum ones.