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#1
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Drunken E53
There was still a bit of gasoline in the tank, so she is at 50% ethanol as she sits. But already the torque is insane. I can only imagine when she gets up in the 80-90% range, that the pull will only get stronger. E53 and E39 M54’s, we have figured out how to make the E46 M54 kit compatible. I am super stoked, that I don’t have to pay for premium fuel anymore. A $1.78 is much better than $2.90-$3.05 a gallon.
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02 BMW 5 Speed Supercharged Ethanol Burnin Meth Injected E53 |
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#2
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E85 ? Pure alcohol?
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#3
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The highest reading that we have ever seen from our local E85 pump was 89%. I am at 50% because of dilution. But the system we installed will do 100% pure alcohol.
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02 BMW 5 Speed Supercharged Ethanol Burnin Meth Injected E53 |
#4
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I figured that you probably had 1/2 tank of E10 before filling up. Is there any benefit of less than E85 or do you get to use that from now on?
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2011 E70 • N55 (me) 2012 E70 • N63 (wife) |
#5
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Quote:
I’ve heard that running 50% ethanol gives you a balance between performance and MPGs. I personally want the higher ethanol content for the supercharger.
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02 BMW 5 Speed Supercharged Ethanol Burnin Meth Injected E53 |
#6
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The price/gallon will even out with the lower fuel economy, or at least that was the case on Mouse' F30 after he went e85. His was tuned for up to 80% ethanol if memory serves using a JB4 w/ custom maps.
^ But who cares! Dat torque doh! Must be a ton of fun. Or 2 tons of fun if we're being honest.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#7
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Quote:
Yeah, it’s cheaper than 87 octane here where I am at, and it is 105 octane. Win/win! This kit is fricken amazing though, because it tunes in real time. It’s a true Flex-Fuel conversion, with performance in mind, not clean emissions, although it still retains the benefits of a cleaner burning fuel. It took the RMS custom map (in my case, tuned on the track, they don’t have a 4 wheel dyno), and put a real time E85 tune that constantly measures ethanol content, and adjusts the map to the proper spec. The torque at 50% already put a grin on my grill! I can’t wait to get her up to 85%. The track here I heard has E100, do I dare?
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02 BMW 5 Speed Supercharged Ethanol Burnin Meth Injected E53 |
#8
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02 BMW 5 Speed Supercharged Ethanol Burnin Meth Injected E53 |
#9
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2004 X5 4.4 Build 01/04 Alpine White on Schwarz Dakota Leather, Anthracite Headliner Xtrons Android HU, SPORT PKG, COLD WEATHER PKG(W/REAR HEATED SEATS AND HEATED STEERING WHEEL), CONVENIENCE PKG, FACTORY HITCH |
#10
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What does running this high of ethanol do to the engine oil after say....3000 miles of driving?
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2003 BMW X5 3.0i -- MT5, 3.64s final gears, H&R lowering springs, K-Mac bushing kit 2007 BMW X3 3.0Si -- MT6 |
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