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      10-05-2018, 01:41 PM   #36
sibhusz06
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Drives: 2011 M3, 2012 X35I, 2007 911
Join Date: Nov 2016
Location: DC

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Reading this post and MSY made an interesting comment about the engines adaptations, as when i initially loaded the stage 1 alpine engine tune for 93, i noticed a increase but after a month of driving, i dont quite feel the same pep anymore. Im guessing the engine initially runs rich until it can lean out to optimize air fuel ratios/spark timing and adaptations change as a result.
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