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      03-28-2012, 10:40 AM   #10
Sheil
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Switzerland
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Drives: 1M Coupe
Join Date: Feb 2012
Location: Switzerland

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2011 BMW 1M  [10.00]
Quote:
Originally Posted by lcrain View Post
I'm sure others can give you a more specific explanation of what goes on, but I will do my best (I am no expert, read a few threads a while back). Essentially a "meth" kit injects a mixture of water and alcohol into the fuel to "raise" the octane rating. It allows users to run more aggressive maps for their tune. Those who don't have meth would have to go find race gas and that is usually very hard to find. So users can set up their tune as if they are running race gas when they are using alcohol/water + pump 93 octane.
Aaah I see! This is the same setup used on the Ronin Exige, just didn't know that's what it was called! I live in Switzerland and Shell sells 100 RON Octane at the pump which equates to roughly 95-96 AKI Octane in the US.
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