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Z4の取扱説明書・マニュアル [全247ページ 11.67MB]

Saving fuelGeneral informationFuel consumption depends on a number of dif‐ferent factors.The implementation of certain measures, driv‐ing style and regular maintenance, refer topage 202, can have an influence on fuel con‐sumption and on the environmental impact.Remove unnecessary cargoAdditional weight increases fuel consumption.Remove attached parts following useRemove auxiliary mirrors or rear-mounted lug‐gage racks after use.Attached parts on the vehicle impair the aero‐dynamics and increase the fuel consumption.Close both windowsAn open window causes higher air resistanceand thus increases fuel consumption.Check the tire inflation pressureregularlyCheck and, if necessary, correct the tire inflationpressure, refer to page 189, at least twice amonth and before starting on a long trip.Low tire inflation pressure increases rolling re‐sistance and thus raises fuel consumption andtire wear.Drive away without delayDo not wait for the engine to warm up while thevehicle remains stationary. Start driving rightaway, but at moderate engine speeds.This is the fastest way for the cold engine toreach its operating temperature.Look well ahead when drivingAvoid unnecessary acceleration and braking.By maintaining a suitable distance to the vehicledriving ahead of you.Driving smoothly and looking ahead reducesfuel consumption.Avoid high engine speedsUse 1st gear to get the vehicle in motion. Be‐ginning with 2nd gear, accelerate rapidly. Whenaccelerating, shift up before reaching high en‐gine speeds.When you reach the desired speed, shift into thehighest applicable gear and drive with the en‐gine speed as low as possible and at a constantspeed.As a rule: driving at low engine speeds lowersfuel consumption and reduces wear.Use coasting conditionsWhen approaching a red light, take your foot offthe accelerator and coast to a halt in the highestapplicable gear.On a downhill slope, take your foot off the ac‐celerator and coast in a suitable gear.The flow of fuel is interrupted while coasting.Switch off the engine during longerstopsSwitch off the engine during longer stops, e.g.,at traffic lights, railroad crossings or in trafficcongestion.Fuel savings are achieved after the vehicle isswitched off for only approx. 4 seconds.Seite 116116Online Edition for Part no. 01 41 2 604 231 - 03 10 500Things to remember when driving

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