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E10 in 1991 BMW #4752303
05/09/18 06:03 PM
05/09/18 06:03 PM
Joined: Sep 2003
Posts: 5,816
Waterloo, ON
Bluestream Offline OP
Bluestream  Offline OP
Joined: Sep 2003
Posts: 5,816
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?


2000 VW Beetle 1.8T M5
2006 Pathfinder 4X4
1991 BMW 735iL
"A fool and his money are soon parted" - Thomas Tusser
Re: E10 in 1991 BMW [Re: Bluestream] #4752315
05/09/18 06:16 PM
05/09/18 06:16 PM
Joined: Dec 2011
Posts: 5,289
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 5,289
North Carolina
Shouldn't bother it at all.


"Zed's dead baby, Zed's dead."
Re: E10 in 1991 BMW [Re: Bluestream] #4752329
05/09/18 06:25 PM
05/09/18 06:25 PM
Joined: Sep 2009
Posts: 16,345
OH
fdcg27 Offline
fdcg27  Offline
Joined: Sep 2009
Posts: 16,345
OH
Well, it causes no problems in my '95 four cylinder FWIW.


18 Accord Hybrid FF
17 Forester 18K VME 0W-20
12 Accord LX 96K SSO 0W-20
09 Forester 95K M1HM 10W-30
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95 318i
Re: E10 in 1991 BMW [Re: Bluestream] #4752333
05/09/18 06:28 PM
05/09/18 06:28 PM
Joined: Dec 2017
Posts: 417
Massachusetts
VeryNoisyPoet Offline
VeryNoisyPoet  Offline
Joined: Dec 2017
Posts: 417
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.


1998 V70 GLT / 195k miles [10w-30 Valvoline Syn w/ Maxlife Tech + Mann W917 filter]

"Use yah blinkah!"

"Be nice. The alternative involves an air horn and 7000 lumens of high beam."
Re: E10 in 1991 BMW [Re: Bluestream] #4752338
05/09/18 06:34 PM
05/09/18 06:34 PM
Joined: Jul 2013
Posts: 1,839
Ottumwa, Iowa
jhellwig Offline
jhellwig  Offline
Joined: Jul 2013
Posts: 1,839
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.


Sparks fly from my fingers.

1995 Chevy K2500 Suburban lt 5.7
2014 Toyota Sienna
1983 Chevy K5 350
Re: E10 in 1991 BMW [Re: VeryNoisyPoet] #4752363
05/09/18 07:06 PM
05/09/18 07:06 PM
Joined: Sep 2003
Posts: 5,816
Waterloo, ON
Bluestream Offline OP
Bluestream  Offline OP
Joined: Sep 2003
Posts: 5,816
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
2006 Pathfinder 4X4
1991 BMW 735iL
"A fool and his money are soon parted" - Thomas Tusser
Re: E10 in 1991 BMW [Re: Bluestream] #4752365
05/09/18 07:08 PM
05/09/18 07:08 PM
Joined: Dec 2006
Posts: 989
midwest
JamesBond Offline
JamesBond  Offline
Joined: Dec 2006
Posts: 989
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.

Re: E10 in 1991 BMW [Re: Bluestream] #4752392
05/09/18 07:45 PM
05/09/18 07:45 PM
Joined: Feb 2013
Posts: 11,183
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 11,183
Phoenix, AZ
It's all we've got here, E10. I run the 1970 VW Beetle on it too, it runs fine.


2015 Hyundai Sonata 2.4L 89k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 232k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 148k Mobil 1 HM 10w40 & Fram Ultra
Re: E10 in 1991 BMW [Re: Bluestream] #4752451
05/09/18 09:06 PM
05/09/18 09:06 PM
Joined: Dec 2002
Posts: 42,459
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,459
New Jersey
Mine always ran perfectly with it.

Re: E10 in 1991 BMW [Re: Bluestream] #4752453
05/09/18 09:10 PM
05/09/18 09:10 PM
Joined: Jan 2018
Posts: 265
KS
red7404 Offline
red7404  Offline
Joined: Jan 2018
Posts: 265
KS
just add Marvel mystery Oil in it. 4 oz for 10 gal.

Re: E10 in 1991 BMW [Re: Bluestream] #4752679
05/10/18 06:56 AM
05/10/18 06:56 AM
Joined: Jan 2009
Posts: 14,046
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 14,046
Illinois
E10 is not excessive. I used E10 in the 70s while living in Maine in my 77 Chevy V8.


2007 Ford Fusion 236,000 miles
M1 0-20 EP
2017 Ford Fusion 62K
M1 0-20 EP
10,000 mile OCIs on both engines
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