G60 BMW 5-Series Forum - View Single Post - ICE cars: midgrade (89 octane) or premium (91/93 octane)?

PsychDoc · 04-05-2024, 10:54 AM

I believe they're both within manufacturer's recommendation. Is there any real advantage to using premium or will the car run fine with midgrade?

04-05-2024, 10:54 AM	#1
PsychDoc Captain 2656 Rep 650 Posts Drives: 2024 540ix Join Date: Jun 2011 Location: NYC iTrader: (0)	ICE cars: midgrade (89 octane) or premium (91/93 octane)? I believe they're both within manufacturer's recommendation. Is there any real advantage to using premium or will the car run fine with midgrade?
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