Will 26 inch rims fit a 2005 BMW X5?

No, 26-inch rims typically will not fit a 2005 BMW X5 without significant modifications. The X5 is designed to accommodate smaller wheels, usually ranging from 17 to 20 inches, depending on the specific model and trim. Installing 26-inch rims could lead to issues with clearance, handling, and safety, as well as potential damage to the vehicle’s suspension and braking systems. It's best to consult with a professional before making any modifications.