Mini Clubman owners manual page 134

text version of content this owner's manual page from owners manual to the vehicle Mini Clubman, year of production 2007:

MOBILITY Wheels and tires Tire Identification Number Traction Tires with DOT codes meet the guidelines of the The traction grades, from highest to lowest, are US Department of Transportation. AA, A, B, and C. DOT code: Those grades represent the tire’s ability to stop on wet pavement as measured under controlled Uniform Tire Quality Grading conditions on specified government test sur- For instance:DOT xxxx xxx 0211 faces of asphalt and concrete. A tire marked C Manufacturer's may have poor traction performance. code for tire make The traction grade assigned to this tire is Tire size and tire design based on straight-ahead braking traction Tire age tests, and does not include acceleration, corner- ing, hydroplaning, or peak traction characteris- Quality grades can be found where applicable tics.< on the tire sidewall between tread shoulder and maximum section width. For example: Temperature Tread wear 200 Traction AA The temperature grades are A, the highest, B, Temperature A and C, representing the tire's resistance to the DOT Quality Grades generation of heat and its ability to dissipate heat when tested under controlled conditions Tread wear on a specified indoor laboratory test wheel. Sus- Traction AA A B C tained high temperature can cause the material Temperature A B C of the tire to degenerate and reduce tire life, and All passenger car tires must conform to excessive temperature can lead to sudden tire Federal Safety Requirements in addition failure. The grade C corresponds to a level of to these grades.< performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Tread wear Standard No. 109. Grades B and A represent lev- The tread wear grade is a comparative rating els of performance on the laboratory test wheel based on the wear rate of the tire when tested that exceed the minimum required by law. under controlled conditions on a specified gov-The temperature grade for this tire is ernment test course. For example, a tire graded established for a tire that is properly 150 would wear one and one-half (1 γ) times as inflated and not overloaded. Excessive speed, well on the government course as a tire graded underinflation, or excessive loading, either sep- 100. The relative performance of tires depends arately or in combination, can cause heat upon the actual conditions of their use, how-buildup and possible tire failure<. ever, and may depart significantly from the RSC - run-flat tires* norm due to variations in driving habits, service practices and differences in road characteristics You will recognize run-flat tires by a circular and climate. symbol containing the letters RSC on the side of the tire, page 134. 132 Online Online Edition Edition for for Part Part no. no. 01 01 40 40 2 2 607 607 326 326 - - © © 03/11 03/11 BMW BMW AGAG

owners manual Mini Clubman

owners manual Mini Clubman - year of production: 2007 - Mini Clubman owners manual EN