Less than two hours after driving off the lot in my BMW 420i xDrive, I spotted something that made my heart sink.

Not only do run flats ease concerns, but they make a vehicle easier to control in the case of a tire blow out. Monty Roberts from BMW Product and Technology communications tells us that run flat ...

Biggest negative on the X5 is the run flat tires. I think they reduce the quality of the ride and at 5,000 miles had to replace two flat tires ---- non-repairable damage. BMW X5. 10 Thousand miles ...