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#1
02-11-2015, 02:27 AM
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Fuel pump bad? *fixed 3rd page
Get in start car, fires very low barely makes idle rpm dies within 2 sec.. Tried a few times then let it sit for 20 min, fired, got it to higher rpm giving gas but very stumbly then dies 2-3 sec later. My father stopped by with extra fuel in case that was it (50mls range) and starter fluid. Got it going a sec or two longer but very misfirey/shaky and dies anyways. So... Im probably looking at the pump here?
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2006 X5 4.8is Fully Loaded  
Last edited by 4.8isX5; 02-13-2015 at 08:42 PM. 
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#3
02-11-2015, 05:55 AM
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sounds like it
pull out back seats, remove passenger side access panel, than remove the fuel pump assembly thingy when you install the new pump u will need a new clamp for the output line because the stock ones are like cv shaft boot clamps hopefully the tank is under 70% full mine stopped working @ 95,000kms because of a clogged fuel filter
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04 black on sapphire 4.8is personally put 90,000kms fully loaded minus the fold out trunk floor -20' DUB X10 3 piece rims staggered setup -LED angel eyes + interior lights + e70 style shifter -AFE stage 2 intake system -x-pipe/resonator delete -UV coat windshield -rebuilt Pano roof -dynavin N6 -all front and rear end suspension parts and both front cv shafts replaced -OEM hitch  And 2007 GSXR750
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#5
02-11-2015, 10:15 AM
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Not bad did they use genuine parts ? Or OEM?
Quote:
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Build Date: 06/2004 2004 E53 3.0L 6 Cyl Engine Code: M54 AT: 5L40-E/GM5 (A5S 390R) http://s101.photobucket.com/user/lho...in/library/E53 2004 E46 M3 Coupe 3.2L 6 Cyl Engine Code: S54 MT: S6S 420G - 6 speed http://s101.photobucket.com/user/lho...in/library/E46 ---------------------------------- Build Date: 10/2008 2009 E90N 328xi Sedan 6 Cyl Engine code: N51 AT: GA6L45R/GM6 http://s101.photobucket.com/user/lho...in/library/E90
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#6
02-11-2015, 11:39 AM
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How many times have you let the tank run pretty low?
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2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards
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#7
02-11-2015, 11:45 AM
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In the modern BMW (1995+ models), keep the tank above 1/4 to avoid siphon pump issues causing fuel pump premature death.
Read the codes. Then to diagnose properly, energize the fuel pump and check fuel pressure with a gauge.
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1998 E39 528i 5sp MT 2006 E53 X5 3.0 6sp MT
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#9
02-11-2015, 03:02 PM
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RB, countless times running it low since i got it.
30-40-50 mls range, more then enough times pulling into gas station with 10 or 8 mls left lol. From what i see it doesnt matter much, theres people out there making sure they fill up and they still fail. Looks like more of "when it fails" not "if".
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2006 X5 4.8is Fully Loaded
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#10
02-11-2015, 03:15 PM
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Me as well, just curious. You think your valvetronic tuning could be overworking the pump at all?
__________________
2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards
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