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      09-03-2019, 04:06 PM   #9
dpaul
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Drives: 2009 E90 335xi, 2011 E93 M3
Join Date: Dec 2012
Location: Boston

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Quote:
Originally Posted by type-dRew View Post
Are you at least back end flashed for hybrid turbos? There are ots maps for that

If not at least that, of course you need a custom tune
+1

For the sake of emphasis: if you have no back end flash at all or are using a flash designed for stock turbos then OF COURSE YOU NEED A CUSTOM TUNE OR AT LEAST THE PROPER BACK END FLASH
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