Question about BMW 325

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Problem of ingection

95 vmw my 325i standard 4-door vehicle has a problem of ignition energy when the computer has had the position in chave ignition but the negative pump gas that comes from the computer has no power by bringing the relay to pump gas not active in the same way the injector have power but do not have to trigger negative please I need professional help

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  • Master
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Hi...
The first step you have to do is :
1 - Check all the fuses, if you found one or more Blowout replace it with an other of the same rating.

2- Check the Connection of the Battery. Terminals.
3- Be sure that you have power at the ECM and FUEL pump relay. Thet are located at Front engine compartment, in the POWER distribution BOX. or FUSE BOX.

The ECM relay must have power 12v ,with Ignition ON . to the pin # 30 and 86
Wires "RED" PIN # 85 is the Ground signal from the ECM. The wire is BROWN.

The Fuel pump relay Must have power 12v, with the ignition ON.
At the Pin # 30. Red wire. Pin # 86, Wire Red/white,
Brown/green, is the Ground from the ECM " Relay control".

You need to check the grounds at the ECM.
1- ground. PIN # 6 Brown wire, on ECM connector, coming from RIGHT REAR SHOCK TOWER.
2 - ground . PIN # 15 Black wire, ON ECM connector. coming from RIGHT FRONT OF ENGINE. NOTE This ground is very SPECIAL. Because use a RESISTOR of 240 ohm. located at Right fron of engine compartment. with a brown wires.
3- Pin # 28. 34. 44. 55.

Check all this ground .
I hope this help on your problem...

Posted on Aug 16, 2008

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  • Master
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Okay okay

u just shud change the gas because:


First, you need to go to Toptiergas.com to find out which companies are carrying good enough gas to put into you car Most gas stations haven't been selling decent gas, thus leading to problems with our engines.

Secondly, keep ur gas receipts. The engineer has told me situations where people had to pay $2200 out of their pocket because they failed to keep the receipt. The purpose of the receipt is for when u go to BMW and tell them that u have a problem with ur car and they run tests, if they come out and tell u that bad gas caused for this to occur, u have the gas receipt and can now approach the corporate of that gas station.

Thirdly, if you have already put in horrible gas from previous gas stations, which is wut i did for the past yr, there is some bottle that they sell at the dealership which will clean out ur fuel injection system from the previous bad gas u had put in. You simply just pour the bottle into the gas tank before you fill up that way it mixes in

hope this help u

Posted on Aug 16, 2008

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Battery Constant 12v+ Positive Wire (+): Yellow
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Starter Positive Wire (+): Red/Light Blue
Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Light Green/Purple
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Second Ignition Positive Wire (+): Black/Light Green
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Power Door Unlock Negative Wire (-): Pink/Light Green (Type B)
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Brake Light Positive Wire (+): Light Green
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Starter Positive Wire (+): Blue/Red
Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Red
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Used on:
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codealarmremote2.jpgBattery GP-23A

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Second Ignition Positive Wire Location: Ignition Switch Harness
Accessory Positive Wire (+): Blue (10 Gauge)
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Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

Starter Positive Wire (+): Yellow
Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Dark Blue
Ignition Positive Wire Location: Ignition Switch Harness

Accessory Positive Wire (+): Black/Orange
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Parking Light Positive Wire (+): Black/Yellow
Parking Light Positive Wire Location: In Drivers Kick Panel

Power Door Lock Positive Wire (+): Orange/White Or Orange/Violet
Power Door Lock Positive Wire Location: In Drivers Kick Panel

Power Door Unlock Positive Wire (+): Pink/Violet
Power Door Unlock Positive Wire Location: In Drivers Kick Panel

Door Trigger Negative Wire (-): Yellow
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Dome light Supervision Wire: Use Door Trigger (Requires Relay)
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Horn Negative Wire (-): Black/Red
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Tachometer Wire Negative Wire (-): Black/Gray
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Brake Light Positive Wire (+): White
Brake Light Positive Wire Location: At Switch above Brake Pedal

Factory Alarm Disarm Wire (-): Light Green/Orange
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Factory Anti-Theft System: N/A
Factory Anti-Theft System Location: N/A


Thank You for contacting Fixya.com

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