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General E46 Forum
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Old 07-03-2012, 08:07 PM   #1
Brockmeister
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Fuel Pump Location

Hi Class. Where is the fuel pump located on an '04 325i? Mine crapped out today and I ordered a new one from BMA. Is it under the passenger seat or do I have to drop the tank? Either way, It has to be fixed.
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Old 07-03-2012, 08:26 PM   #2
Zchild
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Let me get my easy button... Its under the rear bench seat, its easy to get to and an easy DIY... You should be able to use google and find the steps to the DIY. Just my two and a half cents worth!
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Old 07-03-2012, 08:31 PM   #3
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Do you have a SULEV engine by any chance?
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Old 07-03-2012, 08:38 PM   #4
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the SULEV engine is for the birds
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Old 07-03-2012, 09:20 PM   #5
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No. I have the normal engine. I was in the fast lane on 95 and went to accelerate. My foot went down but the car didn't speed up. I parked it on an incline at my house on Thursday. I went out this morning and tried starting it. It coughed and weezed...and then died. 124,500 on the clock
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Old 07-03-2012, 09:23 PM   #6
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Access to it is literally under the passenger's seat. Easiest replacement ever compared to most cars.
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Old 07-03-2012, 10:29 PM   #7
Brockmeister
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sounds great. I've had to do it to 2 Porsche 944's, plus a sending unit. They're somewhat similar. My '98 328i had 150k on it and was still doing the job before it got wrecked,
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Old 07-03-2012, 10:31 PM   #8
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Cool

Quote:
Originally Posted by Brockmeister View Post
No. I have the normal engine. I was in the fast lane on 95 and went to accelerate. My foot went down but the car didn't speed up. I parked it on an incline at my house on Thursday. I went out this morning and tried starting it. It coughed and weezed...and then died. 124,500 on the clock
Thanks All
So I'm guessing you're not hearing your fuel pump prime for a few seconds immediately at start-up? If you're doing the job I would suggest replacing both sides while you're already in there...
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Old 07-03-2012, 10:59 PM   #9
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Both sides?
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Old 07-03-2012, 11:19 PM   #10
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You do not need to replace the siphon pump on the drivers side. This is a passive device with no moving parts. Very rare these ever have problems.

Suggest you read this thread - http://forum.e46fanatics.com/showthread.php?t=929501
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299
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Old 07-03-2012, 11:45 PM   #11
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I did read this earlier today. Got my fuel pump from BMA for 106. I knew that was the problem after I read a few posts this morning. Fule filter was replaced last year. Hopefully the relay isn't bad, but if I find out it is, I get a new one. don't need the car for a while. Have plenty of time and other things to drive.
BTW: thanks for posting all the good info.
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Old 07-04-2012, 06:00 PM   #12
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Quote:
Originally Posted by Brockmeister View Post
Hi Class. Where is the fuel pump located on an '04 325i? Mine crapped out today and I ordered a new one from BMA. Is it under the passenger seat or do I have to drop the tank? Either way, It has to be fixed.
http://forum.e46fanatics.com/showthr...5#post12126895

just so you know that doesn't mean it's your fuel pump. but i think you sorta related you know this and want to see if this fixes it. good luck.
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Old 07-04-2012, 06:16 PM   #13
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Quote:
Originally Posted by Brockmeister View Post
Hi Class. Where is the fuel pump located on an '04 325i? Mine crapped out today and I ordered a new one from BMA. Is it under the passenger seat or do I have to drop the tank? Either way, It has to be fixed.
It's under the back seat, passenger side.
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