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Using premium does not increase power.
Premium does not burn hotter.
Premium does not clean out deposits.
Using premium does not improve mileage.
Just use the fuel the engine was designed to run. If the manual says to use regular purchasing premium is a waste money. If the manual says use premium that's what you should be using.
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 X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas
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