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      07-11-2018, 12:53 PM   #3
weehe126
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Drives: 2017 340i
Join Date: Apr 2014
Location: San Antonio

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I used to run E40-45 on the stock turbo and max it out. You will have no issues running E30 and you will not be on borrowed time for your fuel pumps. This assumes you have a 2011.
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