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**Numark318i** · 10-15-2007, 05:36 PM

premium.

also use top tier gas, for example chevron. I have heard from numerous dealerships that most US gas have additivies that are actually bad fo the engine. for example arco.

Try and only use chevron or shell or other brand name gas.

i notice my car idles 200 rpm lower on higher octane.

10-15-2007, 05:36 PM	#6
Numark318i Name: Numark318i Title: has an empty wallet Status: Offline Join Date: Apr 2005 Location: The Only place in the world where people say "Hella" Rate My Car: 125 / 340 Your Ride: ^^	premium. also use top tier gas, for example chevron. I have heard from numerous dealerships that most US gas have additivies that are actually bad fo the engine. for example arco. Try and only use chevron or shell or other brand name gas. i notice my car idles 200 rpm lower on higher octane. __________________ We all get the urge...Saturday early morning...nothing to do till noon... BMW FTW The aural sensations of 1st gear WOT CGM (Certified Garage Mechanic)