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      11-23-2012, 10:44 AM   #71
JNoSol
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Drives: 750 MSPORT & E90M3
Join Date: Feb 2012
Location: Kansas City

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Quote:
Originally Posted by skalberti View Post
Bulldog, if you have a 2012 35i, open the gas tank door and read the white lettering. It says 89 octane
Confirmed. My 2012 X5 N55 gas cap says the min is 89. However, my 2011 535i says the min is 91. I run 93 on both cars, I'm not taking chances of any knocking or pre-detonation.
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