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#4752303 - 05/09/18 07:03 PM E10 in 1991 BMW
Bluestream Offline


Registered: 09/13/03
Posts: 5768
Loc: Waterloo, ON
I have my BMW on the road after 2 years in storage, and just filled up with my first tank of E10 regular 87.

My Owners manual only says "do not use fuel with excessive amounts of alcohol"

Is E10 safe in a 91, and if not what kind of issues would it cause?
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#4752315 - 05/09/18 07:16 PM Re: E10 in 1991 BMW [Re: Bluestream]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4569
Loc: North Carolina
Shouldn't bother it at all.
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#4752329 - 05/09/18 07:25 PM Re: E10 in 1991 BMW [Re: Bluestream]
fdcg27 Offline


Registered: 09/25/09
Posts: 15907
Loc: OH
Well, it causes no problems in my '95 four cylinder FWIW.
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#4752333 - 05/09/18 07:28 PM Re: E10 in 1991 BMW [Re: Bluestream]
VeryNoisyPoet Offline


Registered: 12/16/17
Posts: 349
Loc: Massachusetts
Generally ethanol content of less than 10% won't cause issues. Higher concentrations are where the problems arise. Ideally use most of the tank and add fuel stabilizer before storing it again for significant amounts of time, since ethanol blends can degrade, form deposits, and absorb moisture over time.
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#4752338 - 05/09/18 07:34 PM Re: E10 in 1991 BMW [Re: Bluestream]
jhellwig Offline


Registered: 07/01/13
Posts: 1595
Loc: Ottumwa, Iowa
If it wasn’t run with ethanol in it before it might plug up the fuel filter cleaning the junk out of the system. I have had that happen a couple of times.
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#4752363 - 05/09/18 08:06 PM Re: E10 in 1991 BMW [Re: VeryNoisyPoet]
Bluestream Offline


Registered: 09/13/03
Posts: 5768
Loc: Waterloo, ON
Originally Posted By: VeryNoisyPoet
Generally ethanol content of less than 10% won't cause issues. Higher concentrations are where the problems arise. Ideally use most of the tank and add fuel stabilizer before storing it again for significant amounts of time, since ethanol blends can degrade, form deposits, and absorb moisture over time.


I have been storing it with premium ethanol free, and will continue that
_________________________
2000 VW Beetle 1.8T M5
2000 Ford Explorer 4.0 4X4
1991 BMW 735iL
"A fool and his money are soon parted" - Thomas Tusser

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#4752365 - 05/09/18 08:08 PM Re: E10 in 1991 BMW [Re: Bluestream]
JamesBond Offline


Registered: 12/13/06
Posts: 888
Loc: midwest
The fuel in IL has been e10 as long as I can remember. My family has used it in several e28's and e30's with no real issues. You're due for fuel hoses anyway.

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#4752392 - 05/09/18 08:45 PM Re: E10 in 1991 BMW [Re: Bluestream]
Nick1994 Offline


Registered: 02/19/13
Posts: 10446
Loc: Phoenix, AZ
It's all we've got here, E10. I run the 1970 VW Beetle on it too, it runs fine.
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#4752451 - 05/09/18 10:06 PM Re: E10 in 1991 BMW [Re: Bluestream]
JHZR2 Offline



Registered: 12/14/02
Posts: 41969
Loc: New Jersey
Mine always ran perfectly with it.

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#4752453 - 05/09/18 10:10 PM Re: E10 in 1991 BMW [Re: Bluestream]
red7404 Offline


Registered: 01/24/18
Posts: 228
Loc: KS
just add Marvel mystery Oil in it. 4 oz for 10 gal.

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#4752679 - 05/10/18 07:56 AM Re: E10 in 1991 BMW [Re: Bluestream]
tig1 Offline


Registered: 01/03/09
Posts: 13761
Loc: Illinois
E10 is not excessive. I used E10 in the 70s while living in Maine in my 77 Chevy V8.
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