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      07-30-2012, 11:09 AM   #3
Alex07M3
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Drives: E92 M3, Evo X MR, A4 Allroad
Join Date: Jan 2012
Location: Gatineau

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I usually put 91 and a lot of time 94, specially the day before I go to the drag strip to let the ECU adapt to maximize the performance, I saw somewhere that the ECU can adapt up to 96octane!