HPFP Failure getting close on 2010?

moveswiftly · 10-06-2009, 04:38 PM

So today I was running low on gas on my way home from work, but I didn't want to stop at any gas stations except Shell which was well reachable with the amount of gas I had left. I pulled into the gas station with about 2 gallons left of gas, the attendant put the gas pump into the car and started filling. Right as he started filling my car started shaking a little bit and the revs went up and down a little bit exhibiting "rough idle." Am i already getting a bad HPFP? I've never had any long starts and my car ONLY has 300 some miles on it

.Or is it just the low amount of gas in the car.
Thanks in advance

NihonX · 10-06-2009, 04:45 PM

Maybe you should turn your car off before filling up.. Just a thought.

acivick · 10-06-2009, 04:50 PM

Quote:

Originally Posted by NihonX

Maybe you should turn your car off before filling up.. Just a thought.

+1, though I'm not sure why it would react violently unless he had less gas than he thought.

HPFREAK · 10-06-2009, 05:04 PM

Ya I have never filled a car up while running I did not know a station would even let you do that.lol. Maybe the pickup in the tank was sucking some air for some reason, not sure. if you didnt get an SES light dont worry, but just keep alert to the cranks, and if it starts taking longer to turn over then you have an issue. I already had it happen to me with 1300 miles on the car.

jibaholic101 · 10-06-2009, 05:28 PM

why is the car on while you are filling up the car?

Absorber · 10-06-2009, 05:56 PM

Could it have been a lack of pressure in the tank because it wasn't sealed with the gas cap? I've had cars that wouldn't start or would run like crap when the gas cap was just loose.

And as other's have said... turn the car off at the pump!!! I'm shocked that people actually pump gas with their engines on.

Jcrewsn · 10-06-2009, 06:13 PM

In California you would most likely be shot or at least imprisoned for life if you left your vehicle running while at the pump...

I've experienced the same little revs in my car but it's usually only when starting it cold.

mattssi · 10-06-2009, 06:46 PM

Please don't tell me (not that it's surprising) that the hpfp is jacked for 2010 too.

Absorber · 10-06-2009, 06:56 PM

Quote:

Originally Posted by mattssi

Please don't tell me (not that it's surprising) that the hpfp is jacked for 2010 too.

Get ready for disappointment. I'm sure BMW would have made some kind of noise (big or small) about changes under the hood. I don't expect my '10 to be mechanically different at all from the '09s and '08s.

moveswiftly · 10-06-2009, 07:15 PM

For my entire driving career I've never turned off my engine lol in my car while fueling, there's not much of a law about turning off your engine while fueling.
But let's hope it was just air in the tank.

Lionel Hutz · 10-06-2009, 07:22 PM

Quote:

Originally Posted by chesterfan1230

For my entire driving career I've never turned off my engine lol in my car while fueling, there's not much of a law about turning off your engine while fueling.
But let's hope it was just air in the tank.

moveswiftly · 10-06-2009, 07:24 PM

But I'll turn off my car from now on

KingOfJericho · 10-06-2009, 08:24 PM

It varies from car to car but some do stall out or run like shit when the gas cap is off while running.

1013mm · 10-06-2009, 08:44 PM

fail thread.

cagekicker · 10-06-2009, 09:29 PM

OMG!

new2the3 · 10-06-2009, 10:07 PM

Quote:

Originally Posted by chesterfan1230

For my entire driving career I've never turned off my engine lol in my car while fueling, there's not much of a law about turning off your engine while fueling.
But let's hope it was just air in the tank.

RPM90 · 10-06-2009, 10:18 PM

Quote:

Originally Posted by chesterfan1230

For my entire driving career I've never turned off my engine lol in my car while fueling, there's not much of a law about turning off your engine while fueling.
But let's hope it was just air in the tank.

I'm surprised you haven't been getting consistent SES lights.
A removed gas cap while the engine is still running should be detected as a HUGE leak in the system, thus triggering a warning

Sure, even driving into a gas station might cause a problem, as the cars engines are running and there are fuel vapors in the area, but shutting the car off simply removes a potential that is easily removable, just by shutting the engine off.

moveswiftly · 10-06-2009, 10:28 PM

I had an e90 before, never got an SES light......Either ways i'll be shutting my car off from now on.

NYC6 · 10-06-2009, 10:31 PM

On another note, you should never run the tank down to two gallons! Let alone a brand new car.

KingOfJericho · 10-06-2009, 10:44 PM

Quote:

Originally Posted by NYC6

On another note, you should never run the tank down to two gallons! Let alone a brand new car.

My girlfriend says this as well and I never understood the logic. When her car hits a quarter tank she's filling while I wait until I see daylight between the "E" and the needle. How does the engine possibly know how much gas in in the tank for there to be any adverse effects? The tank is tapered! Please explain the logic behind this thinking... (I'm legitimately curious).

mattssi · 10-07-2009, 01:47 AM

I don't get it either.... I use the gas I have, then fill 'er up!

Citizen Z · 10-07-2009, 02:32 AM

Quote:

Originally Posted by mattssi

I don't get it either.... I use the gas I have, then fill 'er up!

The theory is that "impurities, sludge, etc" accumulate in the bottom of a gas tank and when drawn down to a very low level, these higher concentrations of particulates can harm filters, or even cause improper detonation. The problem is people are stupid and don't understand fluid dynamics and the purity demands placed on fuel processing. There aren't any damn "floaties" in the bottom of a tank.

10-06-2009, 04:38 PM	#1
moveswiftly Colonel 382 Rep 2,926 Posts Drives: Cayman GT4, 135i Join Date: Apr 2008 Location: NJ iTrader: (12) Garage List 2012 335iS [0.00]	HPFP Failure getting close on 2010? So today I was running low on gas on my way home from work, but I didn't want to stop at any gas stations except Shell which was well reachable with the amount of gas I had left. I pulled into the gas station with about 2 gallons left of gas, the attendant put the gas pump into the car and started filling. Right as he started filling my car started shaking a little bit and the revs went up and down a little bit exhibiting "rough idle." Am i already getting a bad HPFP? I've never had any long starts and my car ONLY has 300 some miles on it .Or is it just the low amount of gas in the car. Thanks in advance __________________ Current: M2CS Gone but not forgotten: Cayman GT4, M2C, 2011 135i, E83 X3 6MT, 2016 SO M3, 2012 335iS, 2010 135i and 2006 e90 325xi
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10-06-2009, 04:45 PM	#2
NihonX Captain 63 Rep 901 Posts Drives: 2011 VO 1M Join Date: Sep 2008 Location: Antioch iTrader: (8)	Maybe you should turn your car off before filling up.. Just a thought.
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10-06-2009, 05:04 PM	#4
HPFREAK Lieutenant Colonel 63 Rep 1,884 Posts Drives: C6 ZO6 Join Date: Sep 2009 Location: Socal iTrader: (8)	Ya I have never filled a car up while running I did not know a station would even let you do that.lol. Maybe the pickup in the tank was sucking some air for some reason, not sure. if you didnt get an SES light dont worry, but just keep alert to the cranks, and if it starts taking longer to turn over then you have an issue. I already had it happen to me with 1300 miles on the car. __________________ My Youtube Channel
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10-06-2009, 05:28 PM	#5
jibaholic101 Brigadier General 162 Rep 3,496 Posts Drives: women wild Join Date: Nov 2008 Location: Charleston, SC iTrader: (0)	why is the car on while you are filling up the car? __________________ some italian, german, and japanese ones; and on order more of the same
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10-06-2009, 05:56 PM	#6
Absorber Lieutenant 27 Rep 476 Posts Drives: 2008 e93 M3 Join Date: Jul 2009 Location: Maryland iTrader: (2)	Could it have been a lack of pressure in the tank because it wasn't sealed with the gas cap? I've had cars that wouldn't start or would run like crap when the gas cap was just loose. And as other's have said... turn the car off at the pump!!! I'm shocked that people actually pump gas with their engines on.
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10-06-2009, 06:13 PM	#7
Jcrewsn First Lieutenant 12 Rep 369 Posts Drives: 2009 BMW 135i Join Date: May 2009 Location: North Tustin, CA iTrader: (0) Garage List 2009 135i Sport [0.00]	In California you would most likely be shot or at least imprisoned for life if you left your vehicle running while at the pump... I've experienced the same little revs in my car but it's usually only when starting it cold.
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10-06-2009, 06:46 PM	#8
mattssi Major 881 Rep 1,367 Posts Drives: 2019 X3 Join Date: Sep 2006 Location: Bend, OR iTrader: (1)	Please don't tell me (not that it's surprising) that the hpfp is jacked for 2010 too. __________________ 2021 ///M3 2019 X3
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10-06-2009, 07:15 PM	#10
moveswiftly Colonel 382 Rep 2,926 Posts Drives: Cayman GT4, 135i Join Date: Apr 2008 Location: NJ iTrader: (12) Garage List 2012 335iS [0.00]	For my entire driving career I've never turned off my engine lol in my car while fueling, there's not much of a law about turning off your engine while fueling. But let's hope it was just air in the tank. __________________ Current: M2CS Gone but not forgotten: Cayman GT4, M2C, 2011 135i, E83 X3 6MT, 2016 SO M3, 2012 335iS, 2010 135i and 2006 e90 325xi
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10-06-2009, 07:24 PM	#12
moveswiftly Colonel 382 Rep 2,926 Posts Drives: Cayman GT4, 135i Join Date: Apr 2008 Location: NJ iTrader: (12) Garage List 2012 335iS [0.00]	But I'll turn off my car from now on __________________ Current: M2CS Gone but not forgotten: Cayman GT4, M2C, 2011 135i, E83 X3 6MT, 2016 SO M3, 2012 335iS, 2010 135i and 2006 e90 325xi
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10-06-2009, 08:24 PM	#13
KingOfJericho Major General 2454 Rep 7,341 Posts Drives: Yes Join Date: Aug 2007 Location: CT iTrader: (1) Garage List 2010 135i Coupe [5.26]	It varies from car to car but some do stall out or run like shit when the gas cap is off while running. __________________ The views and opinions expressed in this post are those of the author and do not necessarily reflect the official policy or position of Bimmerpost. 2018 Jeep Grand Cherokee High Altitude Hemi \| 2010 S4 Sold \| 2010 BMW 135i Retired \| 2006 Lotus Exige Sold
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10-06-2009, 08:44 PM	#14
1013mm aka 1013MM 1264 Rep 9,545 Posts Drives: pokingly flush Join Date: Jan 2009 Location: Los Angeles / HK iTrader: (7) Garage List 2009 135i [8.26]	fail thread. __________________ -John Project YOSHI Sale Thread
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10-06-2009, 09:29 PM	#15
cagekicker Major 16 Rep 1,335 Posts Drives: '09 crimson red 135i Join Date: Nov 2008 Location: miami (vice city) fl. iTrader: (0)	OMG! __________________ 6MT/ Sport Package/ N54/ Asa wheels/ Eibach pro kit springs/ Active autowerke Exhaust/ 35% tint
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10-06-2009, 10:28 PM	#18
moveswiftly Colonel 382 Rep 2,926 Posts Drives: Cayman GT4, 135i Join Date: Apr 2008 Location: NJ iTrader: (12) Garage List 2012 335iS [0.00]	I had an e90 before, never got an SES light......Either ways i'll be shutting my car off from now on. __________________ Current: M2CS Gone but not forgotten: Cayman GT4, M2C, 2011 135i, E83 X3 6MT, 2016 SO M3, 2012 335iS, 2010 135i and 2006 e90 325xi
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10-06-2009, 10:31 PM	#19
NYC6 Banned 72 Rep 2,070 Posts Drives: '10 135i PPKI/06 C6 Z51 Vette Join Date: Aug 2009 Location: LI/NY iTrader: (0)	On another note, you should never run the tank down to two gallons! Let alone a brand new car.
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10-07-2009, 01:47 AM	#21
mattssi Major 881 Rep 1,367 Posts Drives: 2019 X3 Join Date: Sep 2006 Location: Bend, OR iTrader: (1)	I don't get it either.... I use the gas I have, then fill 'er up! __________________ 2021 ///M3 2019 X3
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