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:

    The M Formula
    Following the M car formula, the 1M features increased power, a manual transmission, rear-wheel drive, a modified suspension, fat tires and a distinctive look — perhaps more distinctive than the o ...

    Ride & Handling
    One of my lasting memories of the prior-generation X3 was its extremely firm ride, which led to a choppy driving experience on rough roads. It was disappointing, to say the least, because BMWs oft ...

    Telephone
    ...