DOT Quality Grades

Treadwear
Traction AA A B C
Temperature A B C

All passenger car tires must conform to Conform to Federal Safety Requirements
All passenger car tires must conform to Federal Safety Requirements in addition to these grades.◀

    See also:

    Airbags
    1. Front airbag, driver 2. Front airbag, front passenger 3. Head airbag 4. Side airbag 5. Knee airbags Front airbags Front airbags help protect the driver and front passenger by responding t ...

    The concept
    The DTC system is a version of the DSC in which forward momentum is optimized. The system ensures maximum forward momentum on special road conditions, e.g., unplowed snowy roads, but driving st ...

    Electromechanical steering increases agility and comfort
    The driving enjoyment, agility and comfort are also down to an accurate steering system which always gives the driver precise feedback. The typical BMW rear-wheel-drive setup, which eliminates tor ...