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Old 06-01-2010, 04:24 PM   #9
MarkD's Avatar
Join Date: Apr 2002
Location: In Your DME!
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Originally Posted by 540guy View Post
so this increases performance and gas mileage both or did i misunderstand?

Also, i don't even have an m5 and i've never seen lower than 13.2L/100km. Somethings probably wrong there on my end.
Is that 13.2l/100km a combination of city and highyway? You should see around 10 or 11l / 100 km if it's highway only. My E34 M5 uses 9.5L/100 km on the highway at 130 km/hr. A retune by me will save you at least 5% on fuel costs.
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