Thread: Cheap gas 91!!
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Old 08-03-2010, 07:41 AM   #18
MarkD
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Join Date: Apr 2002
Location: In Your DME!
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Quote:
Originally Posted by jer23 View Post
8HP is the cheapest mod ever. From gas. Just my two cents. Never said 91 was bad.
Come visit me for a good 25 hp more from your M5 after I load new software into it. And I've got one M5 I tuned with a different exhaust that had 45 hp more. (plus dyno sheets to prove it). If you use 94 octane, the software is a must-have.
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