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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 08-30-2012, 05:27 PM   #1
Caden
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Join Date: Feb 2012
Location: Texas
Posts: 328
My Ride: '01 325i
Power Steering Whine

My fluid is low, I have a leaking hose. I'm replacing it today, but I was curious if the whine was anything to worry about? It's a really high pitch whine that happens when I turn the wheel just a little bit and continues to whine until I bring the wheel back to center. Is my pump bad or just need to replace the hose and top off with Dexron?
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Old 08-30-2012, 06:14 PM   #2
zander271
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Join Date: Mar 2010
Location: Seattle, WA
Posts: 1,367
My Ride: 6spd ZHP/5sp XI
Well I would def get the PS level to what it should be. My PS pump whined just before it gave out. Besides the whine do you noticed that it is harder to turn the wheel when going slow? Not hard like the pump is dead but basicly not easy and slow turning like it should be?

Figure out the exact production date of your car

Get a LUK PS pump

LF - 20 Production date up to 09/2001 - Part # 32416760036

LF - 30 Production date from 06/2000-12/2000 - Part # 32411094965

LF- 30 Production date from 09/2001 to 09/2002 - Part # 32416756582

BMAparts.com sells these for $266 bucks, which I wish I had known about when I did the PS pump on my car. I spent $400 dollors from a local place.

Also don't get some cheap knock off to save $100.00

Replace your reservoir and all of your hoses....I'm at work. When I get home I can try and figure out all of the parts you should replace while you are in there.

BMW Reservoir - part #32416851217
BMW PS Cap seal - Part # 32411128333 ( I can't remember if this came with the res)

Hoses

PS Steering Feed Line

LF - 30 Production Date 06/2000 - 12/2000 - 32416764725
LF - 20 Production Date 09/1999 - 09/2001 and for production dates from 09/2002 - Part # 32416774215


From reservoir to power steering pump

Part # 32411095526

Part # 32416750155

PS return hose

Part # 32416796367

I can't remember how many clams I replaced because the BMW ones pissed me off anyone?

Last edited by zander271; 08-30-2012 at 06:46 PM. Reason: updating Part Numbers
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