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Z4の取扱説明書・マニュアル [全248ページ 7.63MB]

Driving tips 111ReferenceAt a glanceControlsCommunicationsNavigationEntertainmentMobilityDrive defensivelyAvoid unnecessary acceleration and braking maneuvers. To do so, keep an adequate dis-tance to the forward vehicle. A defensive and smooth driving style keeps fuel con-sumption down.Avoid high engine speedsOnly use first gear when setting off. In second and higher gears, accele rate without hesitation or pauses. When accelerating, shift up before reaching high engine speeds.When you reach the desired speed, shift into the highest applicable ge ar and drive with the engine speed as low as possible and at a con-stant speed.As a rule: driving at low engine speeds lowers fuel consumption and reduces wear.CoastingWhen approaching a red lig ht, take your foot off the accelerator and coast to a stop in the high-est applicable gear.On a downhill slope, take your foot off the accel-erator and coast in a suitable gear.The fuel supply is interrupted when coasting.Switch off the engine during lengthy stopsSwitch off the engine when stopping for lengthy periods, e.g. at traffic lights, railroad crossings or in traffic congestion. You achieve fuel sav-ings even if standing time is as short as approx. 4 seconds.Switch off functions you do not need at the momentFunctions such as the air conditioner and the seat or rear window heating draw large amounts of power and consume a dditional fuel. Espe-cially in city traffic and in stop and go driving they have a considerable impact. Therefore, switch these functions off when they are not really needed.Have the vehicle servicedHave the vehicle serviced regularly to achieve good economy and a long vehicle life. BMW recommends having the vehicle serviced at a BMW center. Also note the BMW service sys-tem, refer to page 202.General driving notesClose the luggage compartment lidOperate the vehicle only when the lug-gage compartment lid is closed. Other-wise, exhaust fumes could enter the interior of the vehicle.<If the vehicle must be driven with the luggage compartment lid open:1.Close all windows.2.Greatly increase the ai r volume of the auto-matic climate control system, refer to page96.Hot exhaust systemIn all vehicles, extremely high tempera-tures are generated in the exhaust sys-tem. Do not remove the heat shields installed adjacent to various sect ions of the exhaust sys-tem, and never apply un dercoating to them. When driving, standing at idle and while park-ing, take care to avoid possible contact between the hot exhaust system and any highly flammable materials such as hay, leaves, grass, etc. Such contact could lead to a fire, with the risk of serious personal injuries and property damage. Do not touch ho t exhaust tail pipes. Otherwise there is a risk of burns. <HydroplaningWhen driving on wet or slushy roads, reduce road speed. If you do not, a wedge of water can form between tires and road sur-face. This situation, known as hydroplaning, means that the tire can completely lose contact with the road surface, so that neither the car can be steered nor the brake be properly applied.<

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