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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 11-02-2008, 05:06 AM
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dj330Ci dj330Ci is offline
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Power Steering Pump - DIY

I wanted to document my power steering pump installation so that anyone who needs to replace one might consider doing it themselves rather than shelling out a lot of money to have a band of orangutans do it. This job can be done in under 2 hours. On a scale of 1 – 10, I rate it a 3, my skill level being a novice. I drove the car up onto my Rhino Ramps so I could get underneath the car more easily. Some prefer using jack stands.

Parts Needed:

Power Steering Pump LUK LF-20 - 32 41 6 760 036
Tischer $404.80
1 Quart Mobil 1 Synthetic ATF or ATF of your preference. Don’t use “power steering fluid”. BMW advises using ATF.
1 pint Bass Ale draft, gently chilled.



Empty Fluid Reservoir:



Use a turkey baster or some other syringe type tool. Don’t worry if you don’t get every drop . . . it will come out in the end!

Remove these:





The fan shroud above looks intimidating, but it isn’t. Remove the electrical connectors first, then unscrew (#5) using a T20 torx bit. Next, pull the pin out (#4). Now you’re ready to lift shroud straight up and out of the way. This step is probably optional but I like having the extra room.

Loosen the 3 pulley bolts that attach the pulley to the pump:

See first illustration, bolt number 5. 13mm It’s a good idea to loosen these up before removing the serpentine belt. Follow Paul180’s directions here to remove belt. http://www.bmw330ci.net/maintenance/belts.php Follow this diagram when replacing the belt:



Remove splash guard under the engine bay:



This picture is for a 7 series but I wanted to post an image for reference.

Now you’re ready to get to the pump. First remove the rubber hose from the pump. This is where the fluid will gush so be ready to catch it using a plastic container of some type. Next remove the high-pressure line using a 17mm combination wrench. I think it’s 17mm. If the line cannot be separated from the pump at this time, don’t panic. Now you’re ready to remove the pump. Remove bolt #’s 2, 3 and 6 (referenced above) using a 13mm socket. If the high-pressure line is still attached, gently wiggle it free from the pump.

Now you’re ready to install the new pump. Complete all steps above going backwards this time. Fill reservoir with fluid to the max line. Start car, gently reverse off of the ramps. Now turn steering wheel from lock to lock several times. If steering wheel doesn't want to move, don't panic like I did . . ., Rev and hold up to 2500 rpm and gently turn wheel left and right. This builds up the pressure needed to open up the valve inside the pump. Now drive around the neighborhood and come back, check that level is okay.

Here are some helpful footnotes:

When reattaching the high-pressure line the bolt doesn’t screw in all the way. It wasn’t designed for that so when tightening it to the pump, and you feel it getting snug, that’s the ticket! Do not over tighten.

I don’t use torque specs. Common sense will give you a feeling when it’s tight enough.

It isn't necessary to remove front sway bar as Bentley recommends.

Finally, . . .

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  #2  
Old 11-02-2008, 05:26 AM
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RichReg RichReg is offline
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Great DIY.
Where were you about 5 weeks ago when I had mine replaced?

As an addendum , I'd like to say that this pump LUK LF-20 - (32416760036)
is available BRAND NEW from AboveAllMotorwerkes for $300 w/free shipping.
http://www.aboveallmotorwerks.com/BV...UK_32416760036
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  #3  
Old 11-02-2008, 05:33 AM
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dj330Ci dj330Ci is offline
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Quote:
Originally Posted by RichReg View Post
Great DIY.
Where were you about 5 weeks ago when I had mine replaced?

As an addendum , I'd like to say that this pump LUK LF-20 - (32416760036)
is available BRAND NEW from AboveAllMotorwerkes for $300 w/free shipping.
http://www.aboveallmotorwerks.com/BV...UK_32416760036
Holy cow! $300? I haven't heard of these guys. Did you pay a fortune?
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Old 11-02-2008, 05:45 AM
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RichReg RichReg is offline
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Did I pay a fortune for the install, do you mean?
No....with all due respect, I watched my mechanic (and his quite competent first-hand man) do the entire job in less than an hour.....
they charged me $95. I even let them keep the core. Of course, I wouldn't recommend using just anyone for this kind of install.

I gave them the pump of course, and the Mobil 1 ATF. I took a chance with AboveAll after a lot of research...they have a VERY small selection of parts and even less sales staff. I ended up dealing with the owner of the company since he was the only one who would return my calls: http://www.prlog.org/10054433-bmw-en...car-chief.html

It was a bit of a gamble, but so far it has paid off. Also, my understanding is that the remanufacturing of these pumps doesn't work very well long-term, so I wasn't willing to settle for one of those, either.
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  #5  
Old 11-02-2008, 06:04 AM
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dj330Ci dj330Ci is offline
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You got a steal! Install didn't cost as much as I thought. I still have the pump. I wonder if I can get cash for it. In some cases I could return it in exchange for the core charge but in this case there wasn't one. Anybody have ideas?
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  #6  
Old 11-02-2008, 06:12 AM
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RichReg RichReg is offline
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Quote:
Originally Posted by dj330Ci View Post
You got a steal! Install didn't cost as much as I thought. I still have the pump. I wonder if I can get cash for it. In some cases I could return it in exchange for the core charge but in this case there wasn't one. Anybody have ideas?
If you're referring to the old steering pump that you removed, without having someone remanufacture it,
I think the most you'd be able to get for it would be:


Last edited by RichReg; 11-02-2008 at 06:14 AM.
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  #7  
Old 11-02-2008, 06:16 AM
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dj330Ci dj330Ci is offline
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Man! I didn't even think about that. Now that's a steal!
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  #8  
Old 11-02-2008, 06:24 AM
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Solidjake Solidjake is offline
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Excellent DIY, thank you. You should place it in the Wiki, or make a DIY section there if its not there
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  #9  
Old 11-02-2008, 06:39 AM
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Thanks for the comments. I'm really glad to be helpful.
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  #10  
Old 11-04-2008, 07:26 AM
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SeanC SeanC is offline
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Great DIY Dave! Though I'll probably let you do it if something happens to mine
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  #11  
Old 11-04-2008, 08:30 AM
desertrat desertrat is offline
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Thanks Dave, hope I never need it but it's nice knowing it's here if I do. Yes, it needs to be plugged into the wiki.
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  #12  
Old 11-04-2008, 08:53 AM
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dj330Ci dj330Ci is offline
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Quote:
Originally Posted by cngzsn View Post
Great DIY Dave! Though I'll probably let you do it if something happens to mine
Thanks Sean, appreciate the comment. Anytime. We can fix that!

Quote:
Thanks Dave, hope I never need it but it's nice knowing it's here if I do. Yes, it needs to be plugged into the wiki.
You're welcome. I hope you'll never need it either! I'm not familiar with posting into the wiki. Can somebody help?
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Old 11-04-2008, 09:47 AM
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Glad to see you got it changed, when can you come back down so SMOLCK can take it on the "death corners"
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2000 323i
ZHP Suspension (shocks, springs, sways)
Front Strut Bar
135m Wheels
BMW CCA #407107
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  #14  
Old 11-04-2008, 10:13 AM
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I'd probably have somebody's mail box dangling from my door handle not to mention some lady's clothes line.
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  #15  
Old 11-04-2008, 10:55 AM
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well the ditch will slow you down alot and then you have the trees that will most likely stop you before you hit the clothesline
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  #16  
Old 11-16-2008, 08:11 AM
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dj330Ci dj330Ci is offline
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I don't know what's gotten into me . . . Never been this way before, never mechanical but maybe my age has something to do with it. I think the fun part of tinkering for me is that it makes me focus on something for longer than a few seconds. As you all know I replaced my pump a couple weekends ago and it functions very well. I decided to take my old one apart to learn how things work. Well, I think I found the problem. Let's have some confirmation from some of you. My conclusion is that the piece on the far right of the photo is the culprit. This plate is partially responsible for keeping the shaft centered properly while spinning. When I opened this I observed that the shaft was definitely not centered. Look closely at the 2nd photo . . . the hole in the middle is not a circle anymore, my assumption being it's supposed to be a circle. Sooooooooooooo, do any of you know where I can get this part? I know it's a shot in the dark. Maybe someone has a pump for parts? Even if I can't pull this off I have the pleasure of taking it apart and learning something new. This has been a pleasure so far.
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  #17  
Old 11-16-2008, 08:45 AM
jayton jayton is offline
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If you guys would like a steal without the gamble, try autohausaz.com. I paid $320 with free shipping, and it was here in 2 days.
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  #18  
Old 11-16-2008, 09:22 AM
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dj330Ci dj330Ci is offline
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I wish I knew where I could get that piece. At this point this is simply a hobby.
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  #19  
Old 01-25-2009, 08:59 PM
TxTorqueMade TxTorqueMade is offline
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Quote:
Originally Posted by dj330Ci View Post
I wish I knew where I could get that piece. At this point this is simply a hobby.
I admire your curiosity. If you can find a new part to fix the off center thing Ill try it out on my 330i. Let you know how it/if it works. I borderline need a new pump.
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  #20  
Old 03-13-2010, 02:39 PM
biggdave1 biggdave1 is offline
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Great post

Thanks for the great post. last weekend i printed your post and changed my PS Pump on my 2002 325I. less than 2hrs to do the job and i even had to run to the parts store for a clamp....worked perfect!!! Thanks again
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  #21  
Old 03-13-2010, 03:15 PM
BMW_325isedan BMW_325isedan is offline
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i had this very problem in my 2003 325i the power steering pump went out at just under 60,000 miles now i ordered the pump form www.koperformance.com which was a pretty good deal compared to the BMW dealership in Idaho falls anyway i ordered it form the ko site for 375.00 with free shiping and i recieved the pump in about 3 days and did the install myself only thing i wish i had done was replace the dam belts why i had everthing apart other then that i thought i was a fairly easy job the new pump has been in for over a yeah and doing fine!!!!
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  #22  
Old 05-10-2010, 12:37 PM
phanrick phanrick is offline
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Replace Power Steering

Awesome work and graphic. thanks a million
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  #23  
Old 05-10-2010, 01:11 PM
phanrick phanrick is offline
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how difficut is it to replace the Oil Housing Gasket. Please help
thanks
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