What is the correct sized tire for a 2009 BMW x1?
The correct tire size for a 2009 BMW X1 will depend on the model but, in general, the standard tire size for a base 2009 BMW X1 is 225/45 R17, while M-Sport Package will have 245/40 R18. Additionally, the cold tire inflation pressures are 32 psi for the front tires and 36 psi for the rear tires.