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:

    Coolant
    Coolant consists of half water and half additive. Not all commercially available additives are suitable for your BMW. Ask your BMW center for suitable additives. Only use suitable additives; other ...

    Convertible Faults
    When the top is down, the 650i is truly magnificent. Very little wind intrudes on front passengers, and the car feels rigid — very rigid. Like a tank. The cruising experience is terrific right un ...

    Status field symbols
    The symbols are grouped as follows. Radio symbols Telephone symbols Entertainment symbols Additional symbols ...