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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > New FP for me, 1st one



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      11-27-2008, 01:46 AM   #1
jb's335
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New FP for me, ethanol the culprit?

Two nights ago my car had a long crank and pulled a check engine light. It then started stalling when it wasn't in load. I had the car towed to the dealership and they confirmed it was the fuel pump today.

My SA said that the reason my pump went out was a high concentration of ethanol in my last tank of fuel. He didn't give me any specifics, just that the HPFP's are having a hard time dealing with the ethanol in our (US) gas.

Just thought I would share

Last edited by jb's335; 11-30-2008 at 06:58 PM.
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      11-27-2008, 01:27 PM   #2
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god damn corn! lol
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      11-27-2008, 01:49 PM   #3
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Just another reason to use race gas
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      11-27-2008, 01:54 PM   #4
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ORB has mentioned ethanol as the culprit in the failures.
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      11-27-2008, 05:16 PM   #5
XPO186
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Damn that's the first I've heard of ethanol as the problem for these failures...

OP: What brand/octane do you currently pump?
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      11-27-2008, 05:48 PM   #6
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ethanol is like a red headed step child, atleast to our HPFP's
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      11-27-2008, 08:32 PM   #7
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Don't think you can 100% blame the ethanol.

I have had mine replaced here in Aus only recently and we don't have ethanol in our fuel, unless you buy E10.

My second one I think is starting to go as well, am getting similar symptoms that occurred before the 1st one stuffed up.
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      11-30-2008, 06:57 PM   #8
jb's335
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Quote:
Originally Posted by XPO186 View Post
Damn that's the first I've heard of ethanol as the problem for these failures...

OP: What brand/octane do you currently pump?
93 and I use only top tier stations
Quote:
Originally Posted by WOPALX View Post
Don't think you can 100% blame the ethanol.

I have had mine replaced here in Aus only recently and we don't have ethanol in our fuel, unless you buy E10.

My second one I think is starting to go as well, am getting similar symptoms that occurred before the 1st one stuffed up.
It may not be the main culprit but I bet it does not help.
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      11-30-2008, 07:00 PM   #9
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how long have you had the car
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      11-30-2008, 07:00 PM   #10
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Mines in the shop right now, dropped it off sat. morning. I hope they have an answer for me tomorrow.

Do you know if they put in a rebuild one or a new one ???
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