BMW X5 X6 E71 E72 owners manual page 238

text version of content this owner's manual page from owners manual to the vehicle BMW X5 X6 E71 E72, year of production 2008 - 2014:

ba8_e70ag.book Seite 236 Freitag, 5. Juni 2009 11:42 11 Temperature 0.063 in/1.6 mm. At tread depths below 0.12 in/ The temperature grades are A, the highest, B, 3mm there is an increased risk of high-speed and C, representing the tire's resistance to the hydroplaning, even when only small amounts of generation of heat and its ability to dissipate water are present on the road surface. heat when tested under controlled conditions When winter tires wear down past a tread depth on a specified indoor laboratory test wheel. of 0.16 in/4 mm, they become perceptibly less Sustained high temperature can cause the suitable for winter conditions. For the sake of material of the tire to degenerate and reduce safety, new tires should be installed. tire life, and excessive temperature can lead to sudden tire failure. The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehi- cle Safety Standard No. 109. Grades B and A Wheels and tiresrepresent higher levels of performance on the laboratory test wheel than the minimum required by law. The temperature grade for this tire is established for a tire that is properly Wear indicators at the tread-groove base are inflated and not overloaded. Excessive speed, distributed over the tire's circumference and underinflation, or excessive loading, either sep-are marked on the side of the tire with TWI – arately or in combination, can cause heat Tread Wear Indicator. If the tire tread has been buildup and possible tire failure.< driven down to the wear indicators, a tread RSC – run-flat tires depth of 0.063in/1.6mm has been reached. You will recognize run-flat tires by a circular Wheel/tire damage symbol containing the letters RSC on the side Please note that low-pr ofile tires cause wheels, of the tire, refer to page237. tires and suspension parts to be more suscep- M+S tible to road hazards and consequential dam- ages. Winter and all-season tires. Unusual vibrations encountered during normal These have better winter properties than sum- vehicle operation can indicate tire failure or mer tires. some other vehicle defect. This can, for exam- XL ple, be caused by driving over curbs. These kinds of problems may also be signaled by other Indicates specially reinforced tires.changes in vehicle response, such as a strong tendency to pull to the left or right. Tire condition In these cases, reduce speed immedi- ately and have wheels and tires thor- Inspect your tires frequently for tread wear, oughly checked. To do so, drive carefully to the signs of damage and for foreign objects lodged nearest BMW Sports Activi ty Vehicle Center or in the tread. Check the tread depth. tire shop that works according to BMW repair procedures with correspondingly trained per- Minimum tread depth sonnel. If necessary, have the vehicle towed The tread depth should not drop below 0.12 in/ there. Otherwise, tire damage can be extremely 3mm, although, for example, European legisla-dangerous to vehicle occupants and other road tion only specifies a minimum tread depth of users.< 236 Online Edition for Part no. 01 41 2 602 756 - © 06/09 BMW AG

owners manual BMW X5 X6 E71 E72

owners manual BMW X5 X6 E71 E72 - year of production: 2008, 2009, 2010, 2011, 2012, 2013, 2014 - BMW X5 X6 E71 E72 owners manual EN