Quote:
Originally Posted by Exzackt
imo the fact the vishnu uses upgraded fuel lines tells you your answer. Unless you also get a cobb for the bms dme flash than you can't run a high percentage (over 50) of e85. Vishnu flashes the dme as part of the kit, which could be an issue if you're under warranty
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The Vishnu flash is invisible to the dealer because it keeps your original DME serial number intact. As someone mentioned, it simply modifies up a few fueling and tables to allow the PROcede more flexibility when interacting with your DME. Everyone who has questions about Vishnu's flex fuel kit should read this:
http://procedetuning.com/BMW/n54/styled-19/index.html