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      10-03-2012, 01:14 PM   #36
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Drives: 2009 BMW BSM 135i
Join Date: Aug 2012
Location: Denver, CO

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Originally Posted by Evil///M View Post
No, it adjusts the timing and boost correctly according to the ethanol content. Fuel pressure will always be constant.

A reflash is part of running the flex-fuel kit.

Exactly. Fuel pressure is controlled by the fuel pressure regulator, not by the ECU. It's a true FlexFuel setup.
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