See also:

SAFETY
The 2012 X5 received four out of five stars in rollover crash tests by the National Highway Traffic Safety Administration. It hasn't undergone any of NHTSA's other crash tests, and it hasn't been ...

The concept
The system does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving. In the ev ...

Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: Treadwear 200 Traction AA Temperature A ...