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2010 2011 BMW 5 Series Forum F10 Fuel trims and what it should look like |
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10-31-2016, 10:43 PM | #1 |
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Fuel trims and what it should look like
I ran 8 gallons of e85 and had no issues. When I pull the data what should I be looking for?
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11-01-2016, 02:36 AM | #2 |
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8 GALLONS... on stock fuel lines? BROOOOO
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11-01-2016, 07:40 AM | #3 |
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do you guys get 93 in Cali cause i use 93 here in Ohio...how much difference are you getting running 85?
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11-01-2016, 09:42 AM | #5 |
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Im currently running 3.5 gallons of e85... youre saying I can go up to 5 no problem?
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11-01-2016, 11:33 AM | #6 |
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I run 5 gallons all the time never had an issue. Running 8 right now and it's not complaining or performing poorly. Minus the cold start.
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11-01-2016, 01:19 PM | #7 |
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how much power increase have you seen from like 3 -> 5 -> 8 gallons?
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11-01-2016, 03:37 PM | #8 |
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Idk how different it is with the 535, but the most I would run would be 5 gallons in my 550i with the stage 3
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11-01-2016, 04:23 PM | #9 |
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Fuel lines should be fine, pretty much every gas station in the US has up to 15% of ethanol from the pump. Cars are being made to compensate for ethanol in fuel. I usually run about 40/50 or 50/50 during the winter due to E85 pump having a lower amount of ethanol during the winter months (even in SoCal). Obviously, too much ethanol will cause the car too lean out and you'll throw a CEL.
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11-01-2016, 04:41 PM | #10 |
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Subscribed. I'll be running e85 here pretty soon and have read e40 is as high as you would want to go while reviewing logs to make sure everything looks good. Interested to see which parameters I should be paying special attention to and was planning to ask this/have logs reviewed on n54tech or BMS support since I'll be running a JB4 w/ FF wires.
EDIT - Using this calculator http://www.georgebelton.com/E85Calculator.php and an 18.5 gallon tank capacity (correct me if I'm wrong, just googled it), 8 gallons of e85 (105 octane @ 85% ethanol) and 10.5 gallons of 93 octane (w/ 10% ethanol) comes to 40.8% ethanol or E41, so maybe 8 gallons isn't too much as long as logs look good and the car is handling it well? Last edited by STiLLsLow; 11-01-2016 at 04:51 PM.. |
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11-01-2016, 07:02 PM | #11 |
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Thought id chime in and share this link. Steve from fuel it gives some ballpark numbers to go off of with stock and upgraded lpfp. Btw i run 4 gallons of e85 and the rest 93 and never had a problem.
E85 questions...e30, e50, blah blah blah - N54Tech.com - Your Source for International Turbo BMW Racing Discussion http://www.n54tech.com/forums/showthread.php?t=27850 |
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11-01-2016, 08:20 PM | #12 |
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Guess im gonna go wit h5 gallons of e85 for now on
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11-01-2016, 10:00 PM | #13 | |
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Quote:
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535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI
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