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      01-02-2013, 12:40 AM   #9
First Lieutenant
Ferruccio's Avatar

Drives: 2010 335i
Join Date: May 2011
Location: Colorado Springs, CO

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Originally Posted by Fully_Bolted View Post
If your concerned, don't use it. But plenty of us are using it with no documented issues. For the record, my car is addicted to E85 an meth.

Originally Posted by E90Company View Post
If you are concerned with running an E85 mix in your car, either don't do it, or run a small amount not so you can increase boost, but just clean up any timing corrections. That's the best advice I can give you, because we still haven't really seen any long term side effects yet.

That said, I wouldn't run more than E20 in my personal car.

Originally Posted by Ænema View Post
If your fuel system is on the way out running a high ethanol content will just speed up the failure. The higher work load required for any part the faster the compnent wear.

HPFPs are a crapshoot and LPFPs are looking to be about a 80-100K mile maintenance item, so if you're really worried about spending the dough to replace items sooner rather than later just stick to low Exx mixes. If you're willing to spend a little $ then run heavey Exx and enjoy the power and engine safety.
Guys, listen, read my first post: I am looking for further independent research and studies into the effects of ethanol on the engines. I am not worried about my car. I am not concerned about my car. I understand that ethanol will wear out my fuel pumps faster (as I mentioned in my second post already. More volume flow = more wear). I understand that this is still rather experimental. That is why I made this thread in the first place, to see if anyone has come across any additional research (not anecdotes) into the effects of ethanol on an engine.

If such analyses have been made specifically in response to this AAA claim, which seems to be mostly unsubstantiated, this would be helpful. I feel that every website that has regurgitated this AAA study has done little to no thorough analysis into whether they have a point or not, and people's misgivings about the subsidies and "better options" for generating ethanol are clouding their judgement on the objective effects of ethanol on their engines. However, it could be that I just haven't read enough research into it.

If you are wondering, I have been using anywhere from 50-100% E85 in my car for the past several months, and it has not had a hiccup aside from misfires (which I fixed, plugs were old and due for a change), and the LPFP not being able to keep up (understandable, stock fuel pumps). Other than that, my engine has not been behaving in any way even remotely similar to the reports of "blowing up engines" that people seem to keep posting. Additionally, since Brazil has been running a 25% ethanol blend for years, AAA's worries about E15 seem politically motivated. My concern is not about my car. It is about the spread of seemingly incorrect information about E85. Since I am an AAA member, I do give them money, so there is a level of trust that I feel might be waning. The only article I've seen AAA put out cites no sources whatsoever on the specific research overviewed.