BMW M3 E46 owners manual page 115

text version of content this owner's manual page from owners manual to the vehicle BMW M3 E46, year of production 1999 - 2007:

Tire condition Tire replacement 115 Do not drive on a deflated – flat – To maintain good handling and vehicle depart significantly from the norm due tire. A flat tire greatly impairs response, use only tires of a single to variations in driving habits, service steering and braking response, and can tread configuration from a single manu- practices and differences in road char- lead to complete loss of control over facturer. acteristics and climate. the vehicle. Comply with the specified tire inflation Overview Avoid overloading the vehicle so that pressures – and be sure to have the Traction the permitted load on the tires is not wheel and tire assembly balanced The traction grades, from highest to exceeded. Overloading can lead to every time you change a tire or wheel. lowest, are AA, A, B and C. overheating and internal tire damage. Those grades represent the tire's ability This can result in a sudden loss of tire DOT quality grades to stop on wet pavement as measured inflation pressure. Controls Unusual vibrations encountered during Treadwear under controlled conditions on speci- normal vehicle operation can indicate Traction AA A B C fied government test surfaces of tire failure or some other vehicle defect. Temperature A B C asphalt and concrete. A tire marked C This type of problem can be caused by may have poor traction performance. contact with curbs, etc. This is also true All passenger car tires must con- The traction grade assigned to Maintenance for irregularities in the vehicle's han- form to Federal Safety Require- this tire is based on straight- dling characteristics, such as a pro- ments in addition to these grades.< ahead braking traction tests, and does nounced tendency to pull to the left or not include acceleration, cornering, right. Should this occur, respond by Treadwear hydroplaning, or peak traction charac- immediately reducing your speed. Pro- The treadwear grade is a comparative teristics.< ceed carefully to the nearest BMW cen- rating based on the wear rate of the tire Repairs ter or professional tire center, or have when tested under controlled condi- Temperature the vehicle towed in to have it, its tions on a specified government test wheels or its tires inspected. course. The temperature grades are A – the Tire damage, up to and including blow- highest – B and C, representing the outs, can endanger the lives of both the For example, a tire graded 150 would tire's resistance to the generation of Data 1 vehicle occupants and other road wear one and one-half – 1 /2 – times as heat and its ability to dissipate heat users.< well on the government course as a tire when tested under controlled condi- graded 100. The relative performance tions on a specified indoor laboratory of tires depends upon the actual condi- test wheel. tions of their use, however, and may Index

owners manual BMW M3 E46

owners manual BMW M3 E46 - year of production: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 - BMW M3 E46 owners manual EN