15 % Ethanol - Page 4 - BMW K1600 Forum : BMW K1600 GT and GTL Forums
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post #31 of 39 Old 10-12-2018, 08:21 AM
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I think of ethanol as being similar to the ‘fillers’ that are in many of our foods. It burns (or can be somewhat digested in the case of food fillers) but is not nearly as efficient as gasoline. And you pay to have it in your fuel.
Fortunately, here in the Texas Panhandle, ethanol free gas is becoming more and more prevalent. Most of the local farmers co-ops are carrying it and many of the mainstream stations have pumps for 86 and 90 octane (we are at 3500+ feet elevation, so octane numbers are a bit lower).
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post #32 of 39 Old 10-12-2018, 08:45 AM
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ethanol

As I said before, used the high ethanol stuff once in motorcycle but never ever again. After running a charter fishing boat on the Great Lakes for 31 years, marinas on the lakes only sell non ethanol gas0line to boaters. Ethanol is not good for engines around water. If one has a hard time finding non ethanol gas, try going to a marina. They will have it and no doubt it will be at least 89 octane,
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post #33 of 39 Old 10-12-2018, 10:13 AM
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I may be different here, when traveling across the US I get gas where I can. If every grade has ethanol, which 99% do, it is what I have to buy. Most of the stations offering what they advertise as "ethanol free" are old dumpy stations offering no conveniences.

When the fuel tank is low, the last thing I'm going to do is search an app for some station some miles out of the way in hopes of finding gas without ethanol.

But then, I don't commute, nor ride around DFW. For me riding is reserved for fun places.

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post #34 of 39 Old 10-12-2018, 11:10 AM
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I have seen the 15% ethanol on my trips out west (Kansas, Nebraska, Iowa) but not too common here on the east coast. Mostly 10% and most gas that I find is 10%.

Some of the Shell stations around here have ethanol free but it is usually 87 octane. A few small stations up the mountains have ethanol free 91 octane but it is expensive ($4+ gallon).

There is a website that maintains a list of ethanol free stations and the types of gas each station supplies - https://www.pure-gas.org/



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post #35 of 39 Old 10-12-2018, 12:15 PM
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Quote:
Originally Posted by RL Lemke View Post
I may be different here, when traveling across the US I get gas where I can. If every grade has ethanol, which 99% do, it is what I have to buy. Most of the stations offering what they advertise as "ethanol free" are old dumpy stations offering no conveniences.

When the fuel tank is low, the last thing I'm going to do is search an app for some station some miles out of the way in hopes of finding gas without ethanol.

But then, I don't commute, nor ride around DFW. For me riding is reserved for fun places.
Agreed.....
My previous comments only work for day rides when I return home the same day on an empty tank.
Trips and longer rides I'm at the mercy of what the road brings.

No commuting here either......my K1600 is for pure-pleasure only.

Brian
2014 BMW K1600 GTL Exclusive

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post #36 of 39 Old 10-12-2018, 01:36 PM
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There is a reality with ethanol that needs to be included.

If a gasoline engine is used daily, there is no time for phase separation. The water and ethanol stays mixed and consumed by the engine without issue.

It is when an engine sits for days or longer that the demons of ethanol are released, reeking havoc by absorbing all ambient moisture, settling to the bottom as it is heavier.

Many here ride daily, thus avoiding the problem.

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post #37 of 39 Old 10-12-2018, 02:51 PM
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Quote:
Originally Posted by racer1735 View Post
I think of ethanol as being similar to the ‘fillers’ that are in many of our foods. It burns (or can be somewhat digested in the case of food fillers) but is not nearly as efficient as gasoline. And you pay to have it in your fuel.
Fortunately, here in the Texas Panhandle, ethanol free gas is becoming more and more prevalent. Most of the local farmers co-ops are carrying it and many of the mainstream stations have pumps for 86 and 90 octane (we are at 3500+ feet elevation, so octane numbers are a bit lower).

Makes me want to move back home, Canyon.
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post #38 of 39 Old 10-31-2018, 02:37 PM
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Question is it ok to run 96 octane E free in these machines ?
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post #39 of 39 Old 10-31-2018, 02:51 PM
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96? Not in the USA.

Octane rating conversions - PencilGeek's BMW Blog

EURO RON US (R+M)/2
90 85.9
92 87.8
95 90.7
96 91.6
98 93.5
100 95.5
105 100.2
110 105
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