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      01-14-2013, 04:10 PM   #1
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Drives: 335is
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Question AccessPORT, maps and octane question...

I'm trying get some information on Stage 1 aggressive maps for AccessPORT regarding octane. The stock ECU can detect the octane level and adjust. For instance, if I put in 89 octane it will automatically detune itself to avoid damage from pre-ignition. If I run the 93 octane aggressive map and end up filling with 91 octane gas because 93 was simply not available in the location I was in would the reprogrammed ECU be smart enough to detect the drop in octane and adjust?
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