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Z4の取扱説明書・マニュアル [全248ページ 7.63MB]

Technology for driving comfort and safety842.In the event of complete pressure loss, 0 psi/0 kPa, you can estimate the possible distance for continued driving on the basis of the following guidelines:>With a light load:1 person without luggage:approx. 155 miles/250 km>With a medium load:1 person, cargo bay full, or 2 people without luggage:approx. 95 miles/150 km>With a full load:2 people, cargo bay full:approx. 30 miles/50 kmDrive cautiously and do not exceed a speed of 50 mph/80 km/h. In the event of pressure loss, vehicle handling changes. This includes reduced tracking stability in braking, extended braking distance and altered natural steering characteristics.If unusual vibration or lo ud noises occur during the journey, this may be an indication that the damaged tire has finally failed. Reduce your speed and pull over as soon as possible at a suitable location. Otherw ise parts of the tire could come loose, resulting in an accident. Do not continue driving. Instead, contact your BMW center.<Message for unsuccessful system resetThe warning lamp lights up yellow. A message will appear on the Control Display. The system is not reset after a tire has been changed, for example.Check the tire inflation pressure and reset the system, refer to page 83.Status displayiDrive, for operating pr inciple refer to page 16.1. Press the button The start menu is opened.2."Vehicle Info"3."Vehicle status"4."TPM"5.The status is displayed.MalfunctionThe small warning lamp flashes in yellow and then lights up continu-ously; the larger warning lamp comes on in yellow. On the Control Display, the tires are shown in gray and a message appears. No punctures can be detected.This type of message is shown in the following situations:>If there is a malfunctionHave the system checked.>If a wheel without TPM electronics has been mounted>If TPM is temporarily malfunctioning due to other systems or devices using the same radio frequency.Declaration according to NHTSA/FMVSS 138Tire Pressure Monitoring SystemsEach tire should be checked monthly when cold and inflated to the inflation pressure recom-mended by the vehicle manufacturer on the vehicle placard or tire infl ation pressure label. If your vehicle has tires of a different size than the size indicated on the vehicle placard or tire infla-tion pressure label, yo u should determine the proper tire inflation pressure for those tires. As an added safety feature, your vehicle has been equipped with a tire pressure monitoring sys-tem, TPMS, that illuminates a low tire pressure telltale when one or more of your tires are signif-icantly under-inflated. Accordingly, when the low tire pressure telltale illuminates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significantly underi nflated tire causes the tire to overheat and ca n lead to tire failure. Underinflation also reduces fuel efficiency and tire tread life, and may affect the vehicle's han-dling and stopping ability. Please note that the TPMS is not a substitute for proper tire mainte-nance, and it is the dr iver's responsibility to maintain correct tire pressure, even if underin-flation has not reached the level at which the TPMS low tire pressure telltale illuminates.

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