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#3: 03-08-2011, 08:52 AM
 
 TheOneDoubleN
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Title: Crash Test Dummy
Rank: Donating Member
Location: Los Angeles, CA
Car: '08 535xi Sport Wagon
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You're lucky, I have to mix 4 gallons of 100 octane, priced at the 76 pump at $9.60 a gallon (recently raised from $8.70) with 91 to get 93 octane. 14gal of 91 @ about $4.00/gal in LA now, + 4gal 100 octane @ about $10/gal = $96 for a tank of 93 octane!! I did that this weekend because the 93 map on the Cobb AP is a world away from the 91ACN map in terms of low end torque and boost.