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      10-03-2012, 12:27 PM   #34
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2007 335i  [4.25]
Originally Posted by Tzu View Post
The fuel sensor only measures ethanol content and does not provide additional fuel volume. The volume "limits" seem to vary car to car, so you may require a flash either way.
No, it adjusts the timing and boost correctly according to the ethanol content. Fuel pressure will always be constant.

Originally Posted by jippii ensio View Post
You may still need Procedeflash for above 50% e85 concentrations.
A reflash is part of running the flex-fuel kit.
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