owners manual BMW 3 E21

owners manual BMW 3 E21 - year of production: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983 - BMW 3 E21 316 318i 320 323i owners manual EN

Document: pdf (8.6 MB) 149 pages

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text version of content this owner's manual page from owners manual to the vehicle BMW 3 E21, year of production 1975 - 1983:

52 Economy BMWenginetechnologymakesiteasy Anotherexample:The torquecurveshows The engine is suppliedwith dust-free foryouto adopta reasonableapproach whyaBMWengineistheidealprerequisi-combustionair by wayoftheaircleaner. The bestprerequisitefora neweconomic teforfuelefficientmotoringatlowengine If the air cleaneris verydirty,the engine wayofdrivingis theultimatein engines- speeds. The BMW 323i, for instance, willbe starvedoffresh,cleanair and the result as offeredby BMW. An engine that delivers85%ofitsmaximumtorque,i. e. willbe an increasein fuelconsump- delivershightorqueatthelowestpossible itsmaximumpullingpower,atonly2150 tion. rev/min.It can be drivensmoothly,com- • rev/min. fortablyand safelyin highgears, i. e. the In thisrespecta BMWoffersyou maxi- economic3rd and 4th gears, at low mumefficiency.Thespecialcharacteristic ofall BMWcarsis theirabilityto acceler- speedson busy cityroads.• atesmoothlyathighrevsas wellas giving It doesnotsputter,willacceleratequickly you plentyofjerk-freebottomend power. whenrequiredand, becausethe engineis A BMWrespondswithsmoothpower notunderload, consumesverylittlefuel deliverywhenothersarestillsputtering even whencomparedwithsmallercars. The effectofaveryhightorqueatverylow revs can be demonstratedby an example: The BMW732i can climba gradientof morethan35%withtheengineturningat only 1000rev/min. PS = HP •

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year of production from: 1975

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