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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 10-05-2012, 09:49 PM   #301
ryannel2003
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Oh yea I did the filter last weekend. I gotta figure out how to wiggle out the really in the morning.
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Old 10-09-2012, 11:06 AM   #302
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Did you just replace the pump or also the level sensor in the other bay?
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Old 10-09-2012, 01:01 PM   #303
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When I had my pump go out, I only changed the pump (passenger side), didn't bother with the sender unit. And the filter was changed out about a week or two after.
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Old 10-09-2012, 01:23 PM   #304
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^Yeah I did the same, but backwards. I replaced the fuel filter and then the pump and relay a week later. I didn't bother with the level sensor.
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Old 10-09-2012, 01:38 PM   #305
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pump breaks, car no run

sender breaks, car runs fine
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Old 10-09-2012, 03:04 PM   #306
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Sender breaks, car runs fine until it is run out of gas!!

This is why I always use my trip odometer and pay attention to it as well so I have some reference as to how far I should expect to go on a tank of fuel.
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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

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

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Old 10-11-2012, 12:10 AM   #307
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Well, I ordered a new pump today. 1/4 tank and I felt the car hesitate a few times when I was shifting near redline. Then parked and restarted car. Died while reversing. Restarted, but again the same feeling of hesitation on shifts. Filled up the tank so that the pump hopefully will not fail before the new one comes in. God bless me.
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Old 10-11-2012, 04:50 AM   #308
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When my fuel pump died I'm lucky it was in the driveway! Luckily the DIY is very simple so I took the spare care to pickup a new pump and filter after diagnosing it wasn't just the relay. For those who don't know what a healthy fuel jump is supposed to sound like I made this video after I changed my pump:

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Old 10-11-2012, 06:02 AM   #309
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roverT,

Good point on the healthy fuel pump, I forgot that many times after the new people pump is installed people comment on how they do not recall hearing it.

Maybe they are really hearing it prime because it is louder/healthier, maybe they are just more in tune to listening to the pump prime??

The more I read about everyone experiences, I really think the fuel pump should be a straight up PM replacement by year 7. Look at it this way, your car will need a fuel pump at some point in it lifetime (unless it is totaled), so you might as well replace it around year 7 to put some life back in the car and have the piece of mind that it will not leave you stranded on the side of the road. But your performance will be more consistent and I am also thinking that some of these cars are suffering borderline lean situations that do not trigger the CEL, but can cause hesitation, detonation, timing to retard due to engine knock, excess carbon build up due to weak/poor injector spray pattern and possibly increase combustion temperatures that may end up burning valves. I have only seen a handful of engines with burned valves, however, I have to wonder if borderline lean conditions may have been the cause of these problems?

So for the price of a new battery, just replace the fuel pump in your car and enjoy your more responsive engine and do not worry about be stranded due to a imminent fuel pump failure.

BTW, as we go into the Fall & Winter months, I expect the cold temps to bring up a flurry of pump failures due to metal contracting causing either the pump armature to drag on the inside of the pump due to worn bushings or brushes failing to properly contact the worn commutator. So I expect a number of people to be commenting on this thread at the outside temps drop.
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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 10-11-2012, 06:40 AM   #310
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Funny now that you mention 7 years. My car is a 2003 model and I had to change the pump in 2010! Don't forget to do your fuel filters too. It's a pretty simple and clean task with the proper tools.
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Old 10-11-2012, 10:31 AM   #311
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Anybody have a part number or size for the hose clamp?

Part number or size for the fuel filter hose clamps would be helpful too.
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Old 10-11-2012, 10:35 AM   #312
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Kubica, they're really one size fits all. You go for the small clamps. it'll work. Parts stores generally sell small, medium, large, and extra large. eyeball it. they're the smallest ones. Also get Genuine BMW fuel hose (trust me on this one--yeah, trust him on this one) I believe the size is 8x13 or 8x14. Either is fine. You'll need about a foot.
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Old 10-11-2012, 11:13 AM   #313
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^Running to the parts store in the middle of this job is not going to happen.
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Old 10-11-2012, 11:22 AM   #314
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^Running to the parts store in the middle of this job is not going to happen.
The old fuel hose will likely be brittle and break on you. Proceed with caution
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Old 10-11-2012, 03:53 PM   #315
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The old fuel hose will likely be brittle and break on you. Proceed with caution
This ain't my first rodeo pal.

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Anybody have a part number or size for the hose clamp?

Part number or size for the fuel filter hose clamps would be helpful too.
I believe the part number for the clamps is 07129952104.

BMAparts.com is sending me a pack of ten clamps for about $8. The part number on their website is "MH 6" for the pack of ten.
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Old 10-11-2012, 04:30 PM   #316
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This ain't my first rodeo pal.


Ok, "pal." you can calm down. i'm simply trying to help you.
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Old 10-11-2012, 07:47 PM   #317
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This ain't my first rodeo pal.

No one's trying to lasso you cowboy. Everyone comes here to help, so don't blame them if they give too much help.
Relax
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Old 10-11-2012, 08:55 PM   #318
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No one's trying to lasso you cowboy. Everyone comes here to help, so don't blame them if they give too much help.
Relax
Neither of you provided any help. I asked if anyone had the part number and I got a half page of condescending remarks. I provided the part# myself.
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Old 10-11-2012, 10:24 PM   #319
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Depends what you see as help.
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Old 10-12-2012, 12:00 AM   #320
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this ain't my first rodeo pal.
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