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Old 10-13-2012, 01:33 PM
champaign777's Avatar
champaign777 champaign777 is offline
Officially Welcomed to the 'Fest
Location: Champ
Join Date: Nov 2009
Posts: 2,069
Mein Auto: 2003 530 Sport Twins
Here is an answer on your question
"i haven't been on a highway in a long time"

If you drive M54 in city all time MPG will go down
Take a long trip on a HW 200+km with seafoam in tank
This will clean engine oil sludge so your MPG will be better
Keep tire pressure 37PSI HW 35PSI City

Another healthy staff for our engine is an autoRX

give it a try, talking from experience , you will be happy with result


Last edited by champaign777; 10-13-2012 at 01:42 PM.
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