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Posted on Mar 14, 2009
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I JUST GOT A 525I BMW AND THE SPEEDOMETE WON'T READ IT LEAKS FUEL

AND IT LEAKS FUEL NOT REAL BAD THO AND ONLY WHEN I REV THE ENG COULD IT BE A FUSE THAT'S MAKING MY SPEEDOMETER

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greg benton

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  • BMW Expert 231 Answers
  • Posted on Apr 09, 2009
greg benton
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Joined: Mar 08, 2009
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Hello charm city, if your car is a pre 1996 model, I would take a look at the speed sensor mounted on the differential. It will have an electrical plug (2 pin). It is held in with one or two small bolts. What area of the car is the fuel leak at. You have rubber fuel hoses at the front and rear of the engine and at the fuel pump in the trunk. there are also some at the fuel filter under the car near the right rear subframe area. the get brittle and start to leak with age.

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2003 BMW 525i. The trunk is stuck closed?

Question edited for clarity.
Question moved to model category.

Help and videos in the link. Sometimes you can get into the trunk from the back seat and pull the emergency handle.

https://www.google.com/search?q=2007+bmw+525i+trunk+won%27t+open

..
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I have a 1992 geo tracker. It is blowing the electronic fuel injection relay fuse.I can replace the fuse after cool down and it will run awhile and blow.

which engine, 8v or 16valves??????
wrong fuse name, its IG-coil or FI. (be clear, it matters)
use correct names please.
there are 2 prime causes, seen 100 times on real suzuki forums
tracker = vitara=sidekick.
ECU caps short.
or the fuel pump is sucking way too much current
4amp is normal on the pump pike power line (real data)
the ECU on 89-95 all had/have bad huge internal capacitors.
http://www.fixkick.com/ECU/ECU.html
that love to leak, short and or explode.
if they have back skins and say Rubicon on side, bingo , TRASH CAPs.
in the real world i can be lots of things shorts.
all wiring on all cars, can short. vibration and time, and bingo.
automobiles use poorly made harness clamps is why.
(unlike air craft,)
here is the 16v wiring (tossed coin for you)

i bet you, FI fuse 24 blows, right?
and is here, see it.


http://www.fixkick.com/ECU/92-95MPI-eng-schematic_files/92-95mpi-eng-full-size-huge.png

top fails are
1: ECU caps.
2: 02 sensor heater wires shorted, melted , last guy forgot clamps.
3: Distributor hot wire shorted to engine body, bad service.
4: fuel pump or its wire shorted.

i use an magic tool called an AMMETER to find which of the 4 pathes are shorting,
but on all G16s, we pull the lid on the ECU first day get car
and check for cap leaks, or cracks.
fix the leaks now, or the ECU will burn up.$$$$$$$$$$$$

for fun , see one guy here now with cap death.

http://www.fixkick.com/bbs2/Suzuki-bbs/showthread.php?tid=916&page=2

the 02 wires are like a 1 second inspection
the distrib wire, 1 second glance.....
the ECU screws, are a #3 huge Phillips screw, and tight.
the first link above as a section called ECU pull.

is car 2door or 4?
is car 2wd or 4.?
is car stick or auto.?
is engine 8v or 16valves. ?
all matter, all wiring is different by those factors, every inch.
tell more get more.... as always...

the 8v has black painted head, TBI
the 16v has silver head that yells, 16valves. MPI
which is it?

there is a page dedicate to this. for 10 years+

http://www.fixkick.com/power-elect/blows-fuse.html#FI_blows

read that.?
0helpful
1answer

Have a 93. bmw 525i turn over but won't start and put new fuel pump no spark no fuel recently was just running 2 days ago now won't start

Check for a bad fuse or fuse link built into the cable. check for battery voltage at the fuel relay. check the relay is engaging when the ignition is switched on and off . then check for voltage at the fuel pump by turning the ignition switch on and off, the computer will switch the voltage off if the engine does not start. check fuel pressure and flow, if flow is low replace fuel filter.
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Where is the circuit breaker for the 1990 bmw 525i windows

Have you found the fuse box, under the bonnet on LHS of vehicle?
In the lid of the fuse box it will outline which fuse controls the function.
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2005 fuse box in 2005 Bmw 525i

You can check this website you find there fuse box diagram and description for BMW 5-Series

5 Series CARKNOWLEDGE
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My 1990 BMW 525I bogs down when you push the gas pedal

Fuel Pump and fuel filter change sounds to be what the Dr ordered also change the fuel pressure regulator all at the same time. You will be 100%
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How to change the fuel filter to a 1993 BMW

You will need fuel line block off clamp
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1995 bmw 525i eng. won't start changed batt. & spk. plugs what els could it B.

sounds like its turning over but not firring.
I had this problem with my 1992 525i and it was the fuse for the fuel pump. there was no fuel pressure. i have another one and it had the same problem but it was the fuel pressure regulator had failed. this is situated on the fuel rail and has a vacume line attached to it. good luck.
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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.
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