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      12-17-2018, 01:21 AM   #1
Nerve
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Fuel pump warning light

Took my e90 to the gas station and told the attendant i needed premium but the F****** guy didnt pay attention to me, put regular in and now my fuel pump warning light is on and my car can barely accelerate let alone get me to work. What should I do? Thanks in advance!
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      12-17-2018, 08:34 AM   #2
Nazrac
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Don't do full service, drain tank and refill. But the car should run on regular unleaded with reduced power. Are you tuned? Almost sounds like straight E85 which if thats the case, drain the tank.
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      12-17-2018, 09:10 AM   #3
Pladi
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What the hell are you guys smoking. 1 Tank of non premium gas is not going to hurt anything. Especially if you drive non aggressively.

I would not sweat it.
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      12-17-2018, 09:18 AM   #4
Boland01
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Drive easy and when you get to half a tank fill it up with premium. Not a big deal.
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      12-17-2018, 10:28 AM   #5
Nazrac
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Quote:
Originally Posted by Nazrac View Post
Don't do full service, drain tank and refill. But the car should run on regular unleaded with reduced power. Are you tuned? Almost sounds like straight E85 which if thats the case, drain the tank.
Thus why I said it should run on regular unleaded with reduced power,due to timing being pulled. But with it having other issues, like fuel pump codes perhaps it was filled with E85 and is running lean because the pumps can't keep up.
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      12-17-2018, 10:43 AM   #6
gbalthrop
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Quote:
Originally Posted by Nerve View Post
Took my e90 to the gas station...put regular in and now my fuel pump warning light is on and my car can barely accelerate let alone get me to work. What should I do?
1) This is a 2007 328xi???
2) Please describe the location and appearance of any "fuel pump warning light" you are referencing, as I am NOT aware of one on my 2007 328xi (E91).
3) Scan DME for codes & post here.
4) Please describe/attach photo of, any warning lights displayed on instrument cluster.
5) How many miles did you drive AFTER fueling BEFORE you noticed any performance issue or warning light?
6) How do you know what grade (AKI) fuel was put in your tank?

The N52KP engine runs perfectly on 87 AKI fuel. I've run nothing else (cheapest station I can find) for nearly two years. You/ Your Car have/has other issues.

George
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      12-17-2018, 10:48 AM   #7
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Quote:
Originally Posted by gbalthrop View Post
1) This is a 2007 328xi???
2) Please describe the location and appearance of any "fuel pump warning light" you are referencing, as I am NOT aware of one on my 2007 328xi (E91).
3) Scan DME for codes & post here.
4) Please describe/attach photo of, any warning lights displayed on instrument cluster.
5) How many miles did you drive AFTER fueling BEFORE you noticed any performance issue or warning light?
6) How do you know what grade (AKI) fuel was put in your tank?

The N52KP engine runs perfectly on 87 AKI fuel. I've run nothing else (cheapest station I can find) for nearly two years. You/ Your Car have/has other issues.

George

Well said, i just noticed its a 328..
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      12-18-2018, 11:46 AM   #8
lowrydr310
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Quote:
Originally Posted by Nerve View Post
Took my e90 to the gas station and told the attendant i needed premium but the F****** guy didnt pay attention to me, put regular in and now my fuel pump warning light is on and my car can barely accelerate let alone get me to work. What should I do? Thanks in advance!
What fuel pump warning light are you talking about?

87 octane won't cause your car to not accelerate, so whatever happened is coincidence and not related to lower octane fuel.
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