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      11-07-2012, 04:29 PM   #10
Vintage
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Drives: 2010 Z4 35i and 2014 535d x
Join Date: Aug 2009
Location: Austin, Texas

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Javier,

Yes, even if you wipe the tune off before taking to the dealer (e.g. ESS), BMW now monitors turbo rpm/functions/data to determine if you are making them work harder than factory settings.