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#11
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This is to avoid dealing with "siphon pump" issues and killing the fuel pump prematurely. Fuel Pump: google Pierburg fuel pump.
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1998 E39 528i 5sp MT 2006 E53 X5 3.0 6sp MT |
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#12
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Quote:
I am only seeing Pierburg pumps for 4+ liter engines. (I have 3.0). If I can save some bucks I want to change only the pump as I am doing it as preventive on parts that cause a tow. So far I am only seeing pumps listed as "original BMW" sold as kits with the sender. I mean NO disrespect to your 1/4 tank logic and appreciate your sharing, but I very rarely fill up unless the gas light is lit. I am 160+ miles on my original pump which begs the question on what is "prematurely". Because of your argument and others saying low tank runs the pump hotter I am concerned about my pump quitting out on me soon.
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2004, X5, 3.0, 202k+ |
#13
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I come from E39, tons of people with "siphon pump" issue as the car gets older.
- The 1/4 tank fill-up: it is just my thing, you don't have to do it, you can run until the light is on, your choice. The only reason I fill up at 1/4 simply b/c I don't want to deal with siphon pump issue. - All engines (3.0i, 4.4i, 4.6i) use the same fuel pump: PN 16116755043. Made by Pierburg.
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1998 E39 528i 5sp MT 2006 E53 X5 3.0 6sp MT |
#14
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Thanks for the manufactures name-
PN 16116755043 is the part number for the "kit" From what I am finding, there are 2 Pierburg pump part numbers listed for E53 7.50138.00.0 and 7.22013.57.0 and from my search only UK suppliers for pierburg pumps without the sending unit. Bosch also makes a pump, part #0986580130, which I think also includes the screen.
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2004, X5, 3.0, 202k+ |
#15
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the pump fails due to getting hot and running hot for extended periods of time
than when you turn off the ride and fill up your tank, it seizes together and doesn't pump at all most common failure, I filled up the tank from empty and it wont start
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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 |
#16
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Yes,my advice too is never allow your tank to go under 1/4 if possible and you will be ok.Never replaced a fuel pump on my cars until now.Try to put quality gas too when possible..
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http://www.bestvaluestore.org |
#17
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Until now?? at what miles?
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2004, X5, 3.0, 202k+ |
#18
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I always run my tank from full to "light on" and never experienced a fuel pump failure even in Texas heat. I think the cleanliness of the fuel you're using and staying away from high solvent additives contributes more to fuel pump reliability than not going below a quarter of a tank. I try to use only Shell gasoline.
2002 X5 3.0 265,020 miles 2004 325i 116,500 miles |
#19
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I'm still on the OE pump in the TX/FL heat (over 185k miles).
Not only do I run it down til the light comes on, I continue to run until I see single digit "miles to empty", I've even had a few times where I traveled several miles with the "0" displayed. I ALWAYS run Shell, Exxon or VP Racing fuel with 10ozs of Lucas Upper Cyl Lube added (ethanol sucks!!!).
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'03 X5 4.4 Sport, last of the M62s (8-03 build date) I believe in deadication to craftmanship in a world of mediocrity! |
#20
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I don't have beemer yet.Currently I drive 1998 saab 9-3 SE.Put around 30k km and it is ok but I always put the best gas in it and try to never go under 1/4 full tank.I was driving 1991 vw golf II before,1992 opel astra,1993 vw golf III,2000 saab 9-3 ,1994 ford f-150 and never had to replaced a fuel pump .I put over 86k km on these cars.Now I'm researching to buy an SUV,that is why I'm on this forum.
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http://www.bestvaluestore.org |
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