EL118
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- Joined
- Apr 10, 2011
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mkhans;669857 said:DEar all ,
I just got my e60 523 end 2006, N52 engine. The previous owner use only shell 97, after i took over, i use only 95 mobil. car milleage is good. when full tank is about 700km. For the last 2 day, after i pump full tank, its total running milleage before 505km and can become very petrol consuming. I wonder what happen.
car just oil change , air filter is good and no fault in the car.
Question, why the running milleage dropping so much ? should i change back to 97 ?Thankyou.
i think it depends more on the route you travelled rather than due to 95 or 97. 700km distance is more like light footed highway driving while 500km is probably 70% city 30% highway. pls recall how u drive to double confirm.