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      01-10-2013, 02:13 PM   #26
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Drives: 2012 535xi 2013 X3 35i
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Originally Posted by COBodom View Post
The question here is what is considered “premium”. BMW recommends 89 and 91. Turbo engine will sooner or later choke on 87. Lease or purchase; 89 is perfectly fine.
I am going to open up a can of worms here, the new Hyundai 2.0 turbo engine recommands 87 octane.