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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 04-29-2015, 06:28 PM
gooddeal gooddeal is offline
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Mein Auto: 2001 BMW 530i
Steering pump

My 2001 530i needs a power steering pump, as stated by my mechanic.
The steering is very stiff, but the wheel does return by itself going into a turn.
How effective is replacing the pump whereas I would see a noticeable improvement.

Any response would be appreciated.

Gooddeal
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  #2  
Old 04-29-2015, 06:31 PM
edjack edjack is offline
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How did he determine that the pump was bad?
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  #3  
Old 04-29-2015, 06:33 PM
gooddeal gooddeal is offline
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Steering pump

The pump is the original and is 90% clogged..
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  #4  
Old 04-29-2015, 10:34 PM
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bluebee bluebee is offline
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Mein Auto: 02 BMW 525i M54 auto 130K
That's not a common problem, so, I'd get a second opinion.

Also, you can clean the filter in the power steering reservoir if you want (it won't hurt)...
- What to do if your power steering reservoir cap is always wet (1) & how to clean the power steering fluid reservoir internal filter (1) (2) & what is the generic size of the power steering reservoir cap o-ring (1) & what is the most often recommended power steering fluid (1) (2) what volume do you need to buy & (1) how to do a power steering fluid flush DIY (1) (2) (3) (4) & how to replace the cap o-ring (1) (2) & why you want to fix the power steering hose drip onto the alternator (1) (2) (3) & how to debug PSP power steering pump noises (1) (2) (3) or steering rack noises (1) & a nice power steering pump autopsy photo (1) & how to flush cloudy ATF fluid (1) (2) (3) (4) (5) & what PS fluid to use (1) (2-pdf) (3-volume) & DIYs to replace the power steering hoses (1) (2) (3) (4) (5) & how to debug common BMW power steering issues (1) and noises (1) (2) (3) or steering rack noises (1) & does an ATF leak from power steering hoses onto the alternator really cause the bearings to fail (1)
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Please read the suggested threads, where the best always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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  #5  
Old 04-30-2015, 02:53 AM
ca2014mp2 ca2014mp2 is online now
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Didn't we just have a tread that talked about oiling the u-joints in the column? Might that be the case here?
http://www.bimmerfest.com/forums/sho...teering+column
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Series E39 Vehicle code DP63 Model 528ITA Engine M52TU
Body type OTHER Catalog model USA Production date 1999 / 06
Transmission Automatic Steering Left Catalyzer YES

Production FROM : 1998/09/01 TO : 1999/08/31

Last edited by ca2014mp2; 04-30-2015 at 02:58 AM.
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  #6  
Old 04-30-2015, 04:22 PM
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Fudman Fudman is offline
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Quote:
Originally Posted by ca2014mp2 View Post
Didn't we just have a tread that talked about oiling the u-joints in the column? Might that be the case here?
http://www.bimmerfest.com/forums/sho...teering+column
Exactly! Do the cheaper fix first! If your PS pump isn't whining, try lubricating the steering column U joint. It worked for me.
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  #7  
Old 04-30-2015, 05:03 PM
gooddeal gooddeal is offline
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The U joint was lubed, and the rack and pinion was checked also. Only the pump showed definite signs of wear. the car does have 108k miles. I would think it was due for replacement.
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  #8  
Old 05-01-2015, 06:18 PM
gooddeal gooddeal is offline
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here is a simple question: Will replacing the steering pump make a significant difference in the ease of steering, whereas all other areas of the steering parts related have been checked and are in good shape.

anyone with an answer...
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  #9  
Old 05-03-2015, 01:58 PM
thepipeotter thepipeotter is offline
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if you need to replacee pump try MAPCO I got a new pump from them the price is good
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  #10  
Old 05-03-2015, 03:57 PM
gooddeal gooddeal is offline
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Again, my question is: If the steering is very stiff due to the pump being clogged or just worn out, will replacing the pump show an obvious improvement.
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  #11  
Old 05-03-2015, 06:30 PM
cn90 cn90 is offline
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The PS Pump should last 300K miles.
Mine is still stock at 150K miles.

Perhaps you should replace the PS reservoir first, then flush with new Dexron-III fluid and see what happens.
It is a cheap option.

I have been in this forum for 10 years and hardly ever hear a bad PS Pump in M52/M54 engines.
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  #12  
Old 05-03-2015, 07:33 PM
gooddeal gooddeal is offline
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CN90

The fluid was changed, I don't think I have any options. What I'm looking for is the ability to turn the wheel with relatively little or no effort. The fact that I am the second owner of this vehicle, I don't know how easy the steering was before I bought the car.
WILL A NEW PUMP MAKE STEERING ALMOST EFFORTLESS, YES OR NO...
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  #13  
Old 05-03-2015, 07:36 PM
gooddeal gooddeal is offline
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Is there anyone out there who owns a 2001 530I that can verify if their car steers with little or no effort.
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  #14  
Old 05-03-2015, 07:58 PM
cn90 cn90 is offline
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A random thought...look at local ad for similar car and test drive just for fun...
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  #15  
Old 05-04-2015, 01:13 AM
thepipeotter thepipeotter is offline
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ok flush out the fluid bottle there is an internal filter that cannot be removed, renew fluid and bleed system. but it sounds like the pump is knacked, a new one will improve the steering 100% unless there is also a problem with the rack ... but you have to start some where, I got a new pump for my E39 from Mapco in Germany here in Spain the same pump was 398 euros I got it for 105 euros inc p & p they ship all over the world
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  #16  
Old 05-04-2015, 07:03 AM
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johnstern johnstern is offline
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gooddeal-Replace the PS pump if you trust your mechanic. Reading through this thread it seems like you've had everything in the steering system checked out. Although I wouldn't think it's the problem, I'd make sure that the bearings in your front strut mounts are well greased. You can easily access them by removing the dust caps at the top of the strut towers and checking to make sure you can see grease in the bearings. If not, smear some grease into the bearings and see if your steering effort changes.

Last edited by johnstern; 05-04-2015 at 07:05 AM.
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  #17  
Old 05-04-2015, 11:10 AM
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mjalloul11 mjalloul11 is offline
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You cannot compaire the steering with a HONDA or TOYOTA, the steering in any BMW is stifer, it is not an old CADILAC. As said try another e39 and see.
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  #18  
Old 05-09-2015, 05:56 PM
gooddeal gooddeal is offline
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I took the advise of several replies and test drove another 530i that was on a local dealers lot. The car had a few issues that would have to be delt with, but the steering overall was much easier then my car. I actually was able to due a palm steer left turn with a little effort. At this point I think my steering pump has to be replaced.

Thanks to the other responders for the advise..
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