樓主如果英文好的話可以看看下文。
寶馬的一個內(nèi)部人員說的,加低標(biāo)號汽油沒有任何問題。然后注意文中的91號油和我國的95號油是一致的。ThomasPlucinsky,BMWProductandTechnologyCommunicationsManagertoldusallBMWenginesaredesignedtorunon91octane.Allperformancetesting,includingEPAemissionsandfuelmileage,isdonewith91octane.However,thoughBMWisallaboutperformance,theirmotorswillrunon89or87octanewithoutdamage.Theknocksensorspulltheignitiontimingbackandeliminatedetonation.Therewillbealossofpowerandadecreaseinfuelmileage,butthesizeofthehorsepowerlossandtheincreaseinfuelconsumptiondepen
DSuponmanyfactors,suchasambienttemperature,exactformulationofthefuelanddrivingtechnique,soBMWdoesnotofferanyestimatesforoperationonlowergradefuels.Onenotsoobviousconcern,Mr.Plucinskynoted,isthetypeandqualityofadditivesthegasolinecompaniesincludeinthefuel.Premiumgasolinesmayhavebetteradditivepackageswhicharemoreeffectivekeepingfuelsystems(particularlyinjectors)cleanandworkingefficiently,thanthoseinregulargradefuelsoroff-brandproducts.Usingloweroctaneoroff-brandfuelcouldbedegradingthefuelsystemovertime,settingyouupforarepairbilldowntheline.
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