Question about 2004 BMW X5 3.0i

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Location of fuel pump relay 2004 bmw x5 3.0i e53

I cannot find the fuel pump relay. Car is cranking but not starting in cold weather. I only struggle in the cold mornings to turn it on then it is fine the rest of the day. Please help me find it. Thank you

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  • BMW Master
  • 3,187 Answers

Engine bay fuse box will be 2 one for the injectors and one for the pump both the same type.

Posted on Feb 12, 2014

  • csalgado0819
    csalgado0819 Feb 12, 2014

    Thank you for your help i will be working on it friday morning. Hopefully it fixes the issue.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

jmeyer847
  • 185 Answers

SOURCE: need location of fuel pump relay

This relay will be in the Power Distribution Center under the hood in the engine bay. Thanks for using fixya!

Sincerely,

jC

Posted on Jan 08, 2009

  • 145 Answers

SOURCE: BMW 525i will not start

There are six fuse panels for an E39 BMW
Fuses F1 - F45, fuse panel 1, glove compartment. Twist white plastic retainers 90 degrees and pull down from top of glove compartment.
Fuse 31 (10 amp) protects fuel pump relay(K96)

Fuses F46 - F6, fuse panel 2, trunk located behind right side luggage compartment interior panel.
Fuse 54 (15 amp) protects fuel pump relay(K96)

Before I would do any of the following, I would check the above fuses and put a bottle of HEET into the fuel tank. Fuel filter changing is not hard, but it will take you about an hour.
The fuel pump is another story (BMW has a special spanner wrench(16 1 020) to remove and install the threaded collar.

E39 BMW use a two-lobed fuel tank(think saddle bag like). Each with its own fuel level sending unit that has a float connected to a variable resistance wiper contact. To equalize fuel level between the two tank lobes, a siphon pump is installed in the left lobe. The resistances need to be approximately the same. The fuel pump is on the right lobe under the tank sending unit beneath the threaded collar at the top of the fuel tank which is accessed by removing the rear seat cushion. WARNING When removing the fuel level sender or the fuel pump, the fuel tank should be drained to 1/4 capacity or below. The fuel in the fuel line is under pressure (45-75 psi). Always unscrew the fuel tank cap to release pressure in the tank before working on the tank or lines. Disconnect battery negative cable.

The fuel filter is located beneath the center of the car near the driver's seat usually under a protective metal cover held on by small screws. Not hard to replace but car will need to be on jack stands and 1/4 tank or less of fuel in the tank. Definitely wear safety goggles or face shield as the fuel will come out on face. Have a fuel catch pan under the filter. Clamp the fuel line before and after the fuel filter(long metal cylinder) before loosening hose clamps. Loosen center clamping bracket and hose clamps on either end of filter. [Some have an inline fuel pressure regulator.(Remove vacuum hose, pull out locking clip, remove fuel pressure regulator).]
Drain fuel from inlet side of filter and check fuel for rust moisture or other contaminats.
Installation is reverse. When installing fuel filter, ensure fuel flow direction arrow points to front. Should have at least 5 liters of fuel in tank before restarting. The fuel pump will be damaged if run without fuel.
PT Stanley

Posted on Jan 23, 2009

  • 142 Answers

SOURCE: need location of fuel pump relay

You are going to have to remove the fuel pump and disconnect the wire harness. Check for voltage at the plug. Not sure of the excact location.

Posted on Feb 14, 2009

  • 219 Answers

SOURCE: Need location of fuel pump on a 1992 BMW 525i straight six engine

The fuel pump is located under the back seat on the passenger side. You will find an access cover and will need to remove the screws. You should be able to listen for the pump while someone cranks the car. Also I believe there is a large green w/ blue trace wire and an equally large brown wire at the connector. Check for battery voltage across the two wires. The fuse for the pump should be in the fuse panel under the hood.

Posted on Mar 09, 2009

c17hydro
  • 2984 Answers

SOURCE: 1993 BMW 740i not starting, fuel pump location?

Check this:

the fuel pump relay in the trunk on the left side (pasenger)it's right underneath the plastic housing on the inside of the trunk on top of the rear wheel mold. The relay is a 5 prong relay light green in color....... hope this helps, let me know if you found it.

Posted on Mar 17, 2009

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1 Answer

How do I fix my BMW X3 2004 it has trouble starting on cold starts in winter and it stalls? Any solutions? More details below.


First thing to do is run a fuel pressure leakdown test. borrow or buy a fuel pressure test gage for you car and hook it to the fuel injection rail test port, then start the engine and shut it off the pressure should not drop by more than 5 PSI, if overnight it drops to near zero PSI you have a failed fuel pump pressure check valve and you need a new fuel pump. Also clean the throttle valve and the idle speed control valve with spray throttle valve cleaner.

Jun 24, 2016 | 2004 BMW X3

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Hi there my 1996 honda accord is giving problems in the cold weather on startup. The battery seems good and the starter as well it cranks over just fine but no ignition. The car is struggles to start....


I would need more info on the 96:
when you say struggles to start do you mean it cranks for a long period of time or does it sound weak when cranking.

On the 94:
It very much sounds like the idle control motor. Usually if you let the vehicle warm up in place you can avoid this. take the idle air control off and see if there is a lot of carbon build up and clean carefully.
Most often I opt for replacing the idle control motor.

Remember if this helps, please leave feedback and vote. Thank you and good luck.

Jan 18, 2011 | 1996 Honda Accord

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My 2004 bmw 525i wont start or crank although the battery has full power


won't crank????? Starter motor probably. Crank but won't run...fuel pump, crank sensor, coil pack and/or computer.
could also be the relay sending full juice to the starter motor.

Apr 23, 2010 | 2004 BMW 5 Series

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Replaced fuel pump & filter. relay is working fine. car still want hold when you crank it.


My 89 Cutlass had a strange starting problem too...During cold weather she would crank, but she would not start...I could heat up the top of the engine with a hair dryer and she would start....Shop finally fixed her, replaced the COIL, the old coil was no bueno in cold weather!!!!

Aug 07, 2009 | 1989 Oldsmobile Cutlass Ciera

2 Answers

Need location of fuel pump on a 1992 BMW 525i straight six engine


The fuel pump is located under the back seat on the passenger side. You will find an access cover and will need to remove the screws. You should be able to listen for the pump while someone cranks the car. Also I believe there is a large green w/ blue trace wire and an equally large brown wire at the connector. Check for battery voltage across the two wires. The fuse for the pump should be in the fuse panel under the hood.

Mar 08, 2009 | 1996 BMW 318

1 Answer

1994 525i BMW, it cranks but it won't start


Dear prettydwilli, Friday 02-20-2009 11:17pm EST (USA)

Could be a fuse or a relay or fuel system gunk in cold weather!
Try a can of Starter fluid sprayed in the air filter!
If it starts and stays running it could be just gunk or junk in the gas tank!
Do you ride til the tanks empty?
If so fill the tank with high test or just get the starter fluid and some expensive ($10) fuel system cleaner to add to your tank and try it again!
If this doesn't work look for a bad relay or fuse at your local auto parts store. Advance Auto Parts is my favorite....they will probably tell you where the relay is located and may let you return it if it doesn't work. They're very helpful!

jack
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Feb 21, 2009 | 1994 BMW 5 Series

1 Answer

My 04 bmw ignition doest start


If it doesnot crank at all look for starter/starter relay/starter relay fuse. Most probably wiring coming to starter is loose, try to tighten it more (push towards starter). Also I would check antiteft system (if it is provided for your car) as some BMW have immobilizers.
If it cranks no start look for spark plugs, wires, distributor cap, coolant temperature sensor, O2 sensor, fueling system (fuel pump cutoof switch, fule pump relay, fuel filter).
Please kindly let me know if you need more information, or kindly provide me with more details to assist you better
Good Luck

Feb 01, 2009 | 2004 BMW 5 Series

1 Answer

My bmw 318 model 318 does take long when to start cold


maybe the crank position sensor, long starts are usually due to the fact the computer doesn't know where the NO.1 cylinder is, so he fires at random and eventually he nails it, therefore the car starts.

The crank position sensor tells the computer where the NO.1 piston is at and he knows when to send the spark, but u should have a check engine light on in this case.

Nov 12, 2008 | BMW 318 Cars & Trucks

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