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10% ethanol in fuel is it safe for our e55?

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Old 10-09-2009, 02:17 PM
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99 model w210 e55 amg
10% ethanol in fuel is it safe for our e55?

hi guys! here in the philippines we now have gasoline with 10% ethanol mixture it is being sold almost by all gas stations cause of a LAW saying that by 2010 all gasoline should have ethanol on it here in philippines we have 10%ethanol mix gas with 97 octane and 96 octane is it safe to use on our car? thanks
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amg-avantgarde (03-25-2022)
Old 10-09-2009, 04:15 PM
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W210 E55, W211 E3504M, E90 325i
Its still up for debate. In N54-engined BMW cars (135, 335, 535 etc), higher rates of fuel pump failures has been recorded with increased levels of ethanol in gasoline cited (frustratingly) as one of the chief cause. Not sure how our (more traditional) M113 will fare, I was just thinking that very fact recently.
Old 10-09-2009, 09:41 PM
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Oregon has been using E10 blend in winter since 1997. Now, almost all gas in Oregon is 10% Ethanol except for boat docks and a few card lock pump stations.

You get about 10% less mpg and power is less too. It's **** gas, so avoid it if you can...I haven't had any fuel related problems on my M113 that could be attributable to ethanol
Old 10-09-2009, 10:24 PM
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ethanol downside is that with the smallest bit of water can cause phase seperation where the ethanol seperates and forms a glob around the water . also ethanol cleans the inside of the tank so all sediment is absorbed into the glob and in turn obstruct and clog pick up lines and componants . very common with boats and older vehicles . its also been known to rott fuel lines but i havent heard much with newer vehicles .
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Old 10-10-2009, 12:02 PM
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99 model w210 e55 amg
thanks guys! guess i have to stay away from it
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Old 10-10-2009, 12:37 PM
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almost all gas in US is 10% ethanol even if they don't tell you. Theres no real way to get around it if everywhere supplies it, as long as its 10% or less it should be ok, once you start getting over 15% problems start coming up.
Old 10-10-2009, 01:23 PM
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210 55
Here in my country the fuel runs like ****! we don't know what the % of ethanol used here, really this is stupid the fuel here is a big problem with the actual ASHOLE president but the true is that in our workshop, we replace fuel pumps every day! int the 163, 210, 124, 203, 209 & 211 we have problems, one Ml63 with 18k too very bad, but i think the % of ethanol here is very very bbiiigg to contrarest the deficience in the GAS cost.. The ethanol no comme other problems here, but the fuel pumps ruin very soon.

Fabio Daniel
Old 10-11-2009, 02:29 AM
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Originally Posted by Fabio D
Here in my country the fuel runs like ****! we don't know what the % of ethanol used here, really this is stupid the fuel here is a big problem with the actual ASHOLE president but the true is that in our workshop, we replace fuel pumps every day! int the 163, 210, 124, 203, 209 & 211 we have problems, one Ml63 with 18k too very bad, but i think the % of ethanol here is very very bbiiigg to contrarest the deficience in the GAS cost.. The ethanol no comme other problems here, but the fuel pumps ruin very soon.

Fabio Daniel
Hello Fabio, sounds like they may be trying to run 15-20% and not tell you. A few stations started running 15% in the USA years ago and lots of problems started showing up so the limit was put back in at 10%. The rule of thumb is on any normal gas engine, no more than 10% alcohol (aka ethanol or any other kind). Any more and you can start running into issues (as you know very well).
Old 10-11-2009, 11:15 AM
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thanks! but ill try to stay away from ethanol starting today.
Old 10-11-2009, 05:12 PM
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Originally Posted by AMS Performance
Hello Fabio, sounds like they may be trying to run 15-20% and not tell you. A few stations started running 15% in the USA years ago and lots of problems started showing up so the limit was put back in at 10%. The rule of thumb is on any normal gas engine, no more than 10% alcohol (aka ethanol or any other kind). Any more and you can start running into issues (as you know very well).
This is true! i think the same, this idiots are tryin to use a big proportion of alcohol in the fuel, but the corrosive constant in this proportion ruin all parts in our cars (Fuel pumps, filters, injectors & you need to see some spark plugs here with 8k in the M112, M113, M272 & 273, & M111), i forgot to tell we need to clean the fuel injectors every 8k - 12k :S is increidble i know, but the M272 & M273 in the ML's 164 turns on the CEL start to faulty every 8K after clean the F.I. we need to clean them up again..

This idiots have a Heavy Petrol Productor Country & no have idea about work with this... only one think AAAASSSSHOOOLLEEEEESSS!!

Only the personal of the GAS production here know the proportion of ALCOHOL included in the FUEL, but is restricted by the govern, people know what is the proportion this M.F.!... are so crazy

People here only can pay to fix all the problems.. Very bad..

Fabio Daniel

Last edited by Fabio D; 10-11-2009 at 05:15 PM.
Old 04-09-2010, 10:29 PM
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Heeeyyy guys!! i know this is an old thread !! but i have some news to sayd!

Here in my country we experiment extreme issues with the fuel.. We replace in our workshop lots of fuel pumps, fuel injectors, Corroded Gas tanks an another LOOOTSSS of fuel pumps.. we end keeping a fuel example & go to analize center

You never know what we find! our 95 octane fuel has not 95 octanes! has 91!! & 23% of ethanol or some alcohols diluated (this motherFckers only know what shat are using in) its terrible.. the Gas here are a real shat .. but it's not all.. we go to analize an example of the 91 octanes fuel & yes, they have 89.70 octanes BUT the % of plumb sits 2.4% (YES PLUMB) this assoles sayd some years ago that they remove all the plumbing to the fuels to stay GREEN with the planet & our health... is pretty ironic & stupid..

This country have the all *******s in the govern.. the principal is the "Hugo Monkey"

Fabio Daiel
Old 03-25-2022, 09:15 AM
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W212 E300 AMG Sport
Just read your post today. I guess the only ethanol-free petrol available today is Petron's Blaze 100 Euro 6. It is classified as NEAT gasoline. I'm inquiring if Shell's V Power 97 Racing is NEAT gasoline or ethanol mixed fuel.

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