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**luna 15** · 02-28-2012, 06:32 PM

Was wondering if using 89 octane for my M54 would not be a good idea. For octane in my area the choices ar 87,89,93. The manual say 91 which is rare in my area

02-28-2012, 06:32 PM	#1
luna 15 Name: luna 15 Title: United Newb Status: Offline Join Date: Nov 2007 Location: West Virginia User not setup in Rate My Car. Click here to set it up. Your Ride: 2002 525i touring M sport	fuel Was wondering if using 89 octane for my M54 would not be a good idea. For octane in my area the choices ar 87,89,93. The manual say 91 which is rare in my area

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