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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 03-25-2009, 08:49 PM   #1
Tybeemz
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need help with fuel pump

hey guys having some trouble with my 03 325i fuel pump... this is my 2nd fuel pump i purchased form the dealer but for some apparent reason my car is burning alot of gas and i have to refill my tank when the needle is a lil after 1/4 of tank mark if i dont the car starts to hesitate like if its running out of gas can anybody help me out with this issue?
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Old 03-26-2009, 03:02 AM   #2
SL Blak Soldier
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i don't know if this is relevant but have you changed your fuel filter?
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Old 03-26-2009, 11:28 AM   #3
Tybeemz
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yea i changed it bought a brand new from the dealer
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Old 03-27-2009, 04:34 PM   #4
elite53
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On the otherside of your fuel tank is the fuel level sensor. It sounds like this may be causing your problem. Before you buy a new one take the top off and check to make sure the hose for the suction jet pump is properly attached. Sometimes the hose can fall off and not allow fuel to be transferred to the side of the tank that the fuel pump is on. If you don't have a Bentley manual you can go to RealOEM.com to see a diagram of the fuel system so you will know what your looking for.
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Old 03-30-2009, 01:50 PM   #5
ferrarix99
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is there a check engine light, possibly fuel pump or fuel level meter, or what the poster above had stated
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