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Re: Octane Rating (archive)
[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]
Posted by FHall on January 08, 2001 at 10:43:05:

In Reply to: Re: Octane Rating posted by Gordon on January 07, 2001 at 20:35:06:

I have a 92 525i and it definitely specifies premium grade in the manual and on the fuel guage. I have been running mid-grade with no pinging or problems but the performance is a touch better with premium...


BMW doesn't recommend premium fuel..they recommed "regular unleaded"... although I always use midrange ... am waiting to use premium when I chip it.




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