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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > What all is needed to run straight E85 gas?

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      07-27-2018, 01:06 PM   #1
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What all is needed to run straight E85 gas?

I assume all new fueling (low pressure fuel pump and high pressure fuel pump system), and obviously a tune that specifically supports running E85. What else is needed?
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      07-27-2018, 08:39 PM   #2
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I am pretty sure you need a port injection fueling system
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      07-28-2018, 07:48 AM   #3
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The stage 1 TTFS HPFP with its 36% extra flow should be enough to run e85 on the oem turbo. Probably need a stage 2 LPFP as well but it’s early days with these hpfp upgrades and results are still few and far between.
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