BMW 1 E87 convertible owners manual page 113

text version of content this owner's manual page from owners manual to the vehicle BMW 1 E87, year of production 2004 - 2011:

heat when tested under controlled conditions 1/16 in/1.6 mm. At tread depths below 1/8 in/ on a specified indoor laboratory test wheel. 3mm there is an increased risk of high-speed Sustained high temperature can cause the hydroplaning, even when only small amounts of e material of the tire to degenerate and reduce water are present on the road surface. tire life, and excessive temperature can lead to When winter tires wear down past a tread depth anc sudden tire failure. The grade C corresponds to of 1/6 in/4 mm, they become perceptibly less a level of performance which all passenger car suitable for winter conditions. In the interest of tires must meet under the Federal Motor Vehi-safety, new tires should be installed.At a gl cle Safety Standard No. 109. Grades B and A represent 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 inflated and not overloaded. Excessive speed, underinflation, or excessive loading, either sep- arately or in combination, can cause heat buildup and possible tire failure.< Wear indicators in the base of the tread groove Controls RSC – Run-Flat Tires are distributed around the tire's circumference; You will recognize Run-Flat Tires by a circular the letters TWI, for Tread Wear Indicator, on the symbol containing the letters RSC on the side tire's sidewalls identify tires that incorporate of the tire, refer to page112. these wear indicators. Once the tire tread has worn down to the wear indicators, the tire has M+S worn to a depth of 1/16in/1.6 mm. s Winter and all-season tires. Wheel/tire damage tip These have better winter properties than sum-Please note that low-profile tires cause wheels, ing mer tires. tires and suspension parts to be more suscep-iv XL tible to road hazard and consequential dam-Dr ages. Designation for specially reinforced tires.Unusual vibrations encountered during normal vehicle operation can indicate tire failure or Tire condition some other vehicle defect. This can, for exam- ple, be caused by driving over curbs. The same Inspect your tires frequently for tread wear, applies to any other abnormal road behavior, signs of damage and for foreign objects lodged such as pulling severely to the right or left.ty in the tread. Check the tread depth.In these cases, reduce speed immedi-li ately and have wheels and tires thor- Minimum tread depth oughly checked. To do so, drive carefully to the Mobi The tire tread depth should not be below 1/8 in/nearest BMW center or tire shop that works 3mm. At tread depths below 1/8in/3mm there according to BMW repair procedures with cor- is an increased risk of high-speed hydroplaning, respondingly trained personnel. If necessary, even when only small amounts of water are have the vehicle towed there. present on the road surface. Otherwise, tire damage ca n pose a lethal hazard The tread depth should not drop below 1/8 in/to vehicle occupants and other road users.< 3mm, although, for example, European legisla- nce tion only specifies a minimum tread depth of 111 Online Edition for Part no. 01 41 2 600 853 - © 08/08 BMW AGRefere

owners manual BMW 1 E87

owners manual BMW 1 E87 - year of production: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 - BMW 1 E87 convertible owners manual EN