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BMW 3-Series (E90 E92) Forum
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N55 Flex Fuel Options
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12-04-2018, 09:36 AM | #1 |
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N55 Flex Fuel Options
What is the best/easiest to use flex fuel option for the N55? Have done a little research and it looks like Fuel-It and Motiv are the primary options. Anybody running Motiv flex fuel on N55?
Appreciate any thoughts! Currently 2011 N55, FBO, PS2, stage 2 LPFP, MHD. Looking to utilize pump gas on long trips and my Pure Stage 2 with ethanol when I can! |
12-04-2018, 10:18 AM | #2 |
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The only full flex option, tuning-wise atm is JB4 + BEF + PI.
Wedge/MHD are supposedly working on something for MHD flash-only (probably similar to the current motiv offering, which is n54 only). This was due out sometime this year, but haven't heard of any updates since they announced it on some E-series MHD update post. |
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12-04-2018, 10:31 AM | #3 | |
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02-25-2019, 09:25 AM | #4 | |
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And when I die, make sure you spread my blood on a BMW 2012 E92 335i xdrive | KW V1 Coilovers | ER Chargepipe | VRSF 7" HD | VRSF Catless DP | MHD Stage 2+ | xHP Stage 3 |
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02-25-2019, 10:06 AM | #5 | |
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2011 335I, E90, AT, Sport Package, FBO, Eibach 1" Lowering Kit w/ Koni Orange. MHD, 88k miles 2nd owner - Sold
2003 330XI, MT, bone stock, 160k miles - Sold 1988 325I Coupe, MT - Retired, 280k miles - Sold 2019 X7 XDRIVE 40I - Wife's |
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02-27-2019, 07:14 AM | #8 |
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02-27-2019, 10:15 AM | #9 |
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also, you can use an ethanol mix tester and calculator at the pump. I know thats a pain. But you measure the ethanol content then calculate how many gallons of e85 and regular gas to put in. Then if youre MHD only, run the e30 or e50 map. Changing maps takes 3 min so for your roadtrip, swap back to the pump gas map!
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2011 N55 e92 Msport -Alpine White AT MHD Stage 2+, ARM 5" stepped I/C, PPK (coded over), Cobb charge pipe, gutted Xi downpipe, BMS intake, ARM I/C hose upgrade, PE mod, ST coilovers, 18x9 Apex ARC8 |
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02-28-2019, 07:21 AM | #10 | |
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02-28-2019, 07:59 AM | #11 |
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evmo, get the inline e85 bluetooth device from Fuel-It. With that you have content displayed right on your phone. Regardless of how empty my tank is I can guestimate the % of both e85 and 93 needed and always come within a couple of points for my target of e50.
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04-01-2019, 07:37 AM | #12 |
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Thanks Ozzie! Will probably go that route...worth a shot to really push the PS2
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