Fuel type?

MATHMATIC

2011 BMW
4,000 MILES

I own a 1M and I was wondering if their is a significative difference in performance and fuel economy between the 91 octane and 94?

Do you

have the same problem?

Yes

No

Tuesday, September 6th, 2011 AT 7:23 PM

1 Reply

JACOBANDNICKOLAS

EXPERT
68,244 POSTS

Honestly, my opinion is that you won't notice a difference.

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Tuesday, September 6th, 2011 AT 7:37 PM

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