Fuel pump not getting power?? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 06-14-2013, 05:14 PM
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Fuel pump not getting power??

Hey guys,

I have a 2006 325i e90, and i took it into a shop and they told me that the fuel pump needed to be replaced, but they quoted the job at 1600, being as its an hours worth of labor i took the car back to my house.

My question is, what could cause the pump to not get power, i hooked up the connectors to a voltage tester while the key was on and nothing.

Ive already replaced the main relay behind the glove box, is there any other fuse im missing?
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#2 (permalink) Old 10-24-2013, 02:28 AM
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Fuel Pump Relay

Which 'MAIN RELAY' have you changed? there are quite a few relays behind the FUSE BOX..... what i had to do was put the ignition on....turn on fog lights....turn on air con ..... and while they are on pull out the relays one at a time to see what goes off.... eventually you can work out which one is working and which one isnt... one of the relays is for the horn.... so try that too.... they should be a light green colour.... try swapping them around.... if the fuel pump relay is faulty it will start sometimes and then wont start at all..... hope this helps
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