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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 06-04-2005, 11:16 PM   #1
nughaud
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DIY - FUEL FILTER CHANGE (with photos)

Ok,

I tried to post this in here, but after I was finished, an error popped up saying, I have included too many images... although they are all hosted on my webpage. So I wrote it again and put it in HTML format. Some of the info was taken from another URL on this site which I have linked to. This has quite a few photos. This should help people out if there were any questions before.

Ray

http://bimmerinfo.com/diy/fuel-filter/

PDF copy in case host goes down - http://www.E46Fanatics.com/pdf/E46-B...ter-Change.pdf

Last edited by nughaud; 06-04-2005 at 11:27 PM.
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Old 06-05-2005, 07:52 PM   #2
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Quote:
Originally Posted by nughaud
Ok,

I tried to post this in here, but after I was finished, an error popped up saying, I have included too many images... although they are all hosted on my webpage. So I wrote it again and put it in HTML format. Some of the info was taken from another URL on this site which I have linked to. This has quite a few photos. This should help people out if there were any questions before.

Ray

http://bimmerinfo.com/diy/fuel-filter/
very nice
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Old 06-07-2005, 02:09 PM   #3
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Thank you sir!! Great write-up
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Old 06-10-2005, 04:17 PM   #4
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Hey, Great write-up. However, I don't recall you asking me permission to use my FUEL FILTER TIPS though. Don't worry, I don't care. You did properly document your sorces and gave credit where credit is due.

Good job in taking those pictures.

PS. Newer e46 has the built in fuel regulator where as the older e46 doesn't. That is why mine write up and yours is a little off.
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Old 06-10-2005, 10:19 PM   #5
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When do i need to change my fuel filter, is there a symptom?
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Old 06-11-2005, 07:19 AM   #6
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When do i need to change my fuel filter, is there a symptom?

I think the fuel filter is part of the INSPECTION II or III service which is 100,000 miles.

I changed my fuel filter at 66,000 miles after my car was sitting in storage for a year. The fuel was extremely dirty when I cracked it open.

There is no "performance" gain but I your car would definately thank you. Changing your fuel filter is extremely easy. Just a little messy that is all.

Good luck
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Old 06-12-2005, 06:39 PM   #7
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Awesome DIY
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Old 06-13-2005, 12:27 AM   #8
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It's always great to have pics!
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Old 04-11-2006, 09:00 AM   #9
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Every expert ive talked to recommends a fuel filter change every 2 years. Even every year wont hurt. BMW says it will last up to 100k miles. They also state their transmission fluid is "lifetime." this is all BS. Even though the parts are more advanced today, they still wear down and decline in performance after a certain point. Thats why it never hurts to change the filter. and for $20 and half an hour or so, how can you go wrong? You also extend the life of your fuel pump and fuel system this way
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Old 04-11-2006, 09:08 AM   #10
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I'd swear there was a schrader valve in the engine bay to relieve pressure in the fuel line... maybe I'm thinking of my old car, but I'll check next time I'm home. It makes things a lot easier.
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Old 02-26-2007, 11:37 PM   #11
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Originally Posted by InSuboRdiNaTioN View Post
I'd swear there was a schrader valve in the engine bay to relieve pressure in the fuel line... maybe I'm thinking of my old car, but I'll check next time I'm home. It makes things a lot easier.
I belive there is one by the fuel rail
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Old 04-11-2006, 07:28 PM   #12
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Just changed it over the weekend. It was kind of different to get the tubes out of the fuel filter in the tight space. But it was well worth it for $40 and wasted some gas while changing. It seems like it fixed the RPM dead spot problem as well. At least now the car feels much better.
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Old 04-13-2006, 11:25 AM   #13
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I'm surprised BMW uses simple hoses with clamps instead of some sort of quick connect mechanism. (which would make you run tot he store to get soem sort of special tool no doubt)
This part is pressurized so be sure to tighten the clamps enough.
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Old 05-09-2006, 09:56 AM   #14
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Get a trim pulling tool

This would have been impossible without a trim pulling tool that I had lying around. It is essentially a mini pry bar; a small screwdriver sized tool with a fork at the end. I was able to pry the hoses off very easily with this after struggling with a screwdriver for 20 minutes.
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Old 05-10-2006, 10:48 PM   #15
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even though i pulled the fuse, and let it die, then cranked it a few times, it still spayed fuel EVERYWHERE!! I would suggest trying to start the car a number of times with the fuse pulled... just my 2 cents.
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Old 07-13-2006, 10:50 PM   #16
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Anyone have any suggestions on where one can get the fuel filter for $40?
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Old 07-15-2006, 11:27 AM   #17
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www.autohausaz.com, free shipping over 50$. good luck.
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Old 12-11-2006, 12:28 PM   #18
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Fuel Filter

I just performed this over the weekend. It wasn't too difficult but I ran into a few unexpected things.

1) I would get 6 new clamps from the dealer before performing this. I have a 02 330CI and my clamps were not bolt shaped they were rounded and could only be removed by a screwdriver and needed pliers to tighten. I bought 4 new clamps and they can be removed/tightened using a 5mm socket.

2) after pulling fuse #54 my car kept starting and would not die, I proceeded anyway.

3) taking the hoses off is not fun, the pictures in the DIY show nice clean lines etc. Living in the northeast = havoc for your undercarraige. The lines meeting the hoses were full of gunk. I took an awl and cleaned where the house met the fuel lines to "break the seal" I removed the hoses from the lines first not the filter. then removed the hoses from the filter when it was off the car.

4) gas kept pouring out of one line from the tank in a pencil thick stream. I expected it to stop but it did not. Anyone else have this problem? So this led to my next issue.

5) I rushed to get the filter back on because the gas kept coming. well not only does it have a front and back, which was obviously correct, it also must be positioned properly on the lines. There is an arrow on both sides of the filter so it looked like It was right. Well my car wouldn't start, I checked the pics and realized I put the filter on upside down.

I then quit for the night and proceeded to kill two 64 ounce growlers from the local brewery to forget my stupidity and my anxiousness about breaking my car.

the next morning I inverted and fuel filter in 15 minutes and it started up first try.

I changed all of my fluids and filters this weekend for inspection II and I don't know if it's placebo but it revs faster and pulls harder.

Thanks to whoever wrote up this DIY in the first place. I've been dreading this for months but Never would have tried it without the pics.
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Old 02-24-2007, 12:13 PM   #19
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This is one of the best diys ever. I just did this and had absolutely no problems.

Instead of bending the protective cover i just took out the extra bolts. Theyre the same size as the screws (2 of them)
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Old 02-24-2007, 12:15 PM   #20
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Also, where goggles or something. Theres a lot of crap that comes off as youre removing this stuff.
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