One problem related to tire tread/belt has been reported for the 2005 BMW X3. The most recently reported issues are listed below.
The contact owns a 2005 BMW X3. The vehicle has bridgestone turanza el42, size p235/55r17 tires. While driving various speeds, the contact's vehicle makes a loud noise underneath the hood. The vehicle was taken to a dealer approximately six times, but they could not duplicate the failure. The vehicle was then taken to another mechanic and they stated that the steel belts failed on both front tires, which was the cause of the noise. The current mileage was 13,539 and failure mileage was 200. Updated 03-18-08.