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Fuel specs (archive)
[ Follow Ups ] [ 5-series (E39) Message Board ] [ Msg. Board FAQ ]
Posted by Dan on March 19, 2000 at 20:20:23:

Recommended octane rating for a 528/540 is 91...but BMW engines are equipped with (AKS) anti-knock sensors provided that the minimum octane rating requirement is met ...89 AKI

What s the point in paying 10% more for premium?...to we get 10% fuel increase and 10% engine performance?


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