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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 01-22-2017, 11:04 AM
Combatman Combatman is offline
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Location: California
 
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Mein Auto: 2004 325xi
2004 325xi - Vibration turning on highway

So I've been searching for this particular issue for some time, but all I'm finding are all sorts of other vibrations being described by people. So I thought maybe I'd post on here and see if I can get better information on my specific issue.

I just bought a 2004 325xi and before I did I took it on an extensive test drive. All seemed good, it drove like a dream. I had to take a highway back home from where I bought it (2
hour trip) on my trip home I realized that to my horror when I test drove it on the highway it was mostly in a straight line...

Well on the way home I found out that if I go around a curve that I have to turn the wheel past about 2 o'clock to the right(it's very on-off; 1:45 o'clock is fine, but right at 2 it starts abruptly) at a speed greater than 60mph it vibrates like I'm hitting a rumble strip. I can turn very sharp at any lower speed without issue though.

The car has new tires on all 4 corners.
The PO said he just had some front axle work done not too long ago.

Any idea what might cause this issue?

Last edited by Combatman; 01-22-2017 at 11:05 AM.
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  #2  
Old 01-22-2017, 01:00 PM
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acoste acoste is online now
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Mein Auto: 2010 550i MT
front half axles
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2010 BMW 550i MT
2003 BMW 325i @190k and counting
1998 BMW 528i MT @ 231k //sold
1997 Saab 9000 //sold
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  #3  
Old 01-22-2017, 01:30 PM
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Doug Huffman Doug Huffman is offline
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Location: Washington Island, Wisconsin, thru Death's Door
 
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Mein Auto: 2012 Feb 11 X5 35d (E70)
Quote:
Originally Posted by acoste View Post
front half axles
CV joints
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Post hoc ergo propter hoc is a weak logic akin to arguing from ignorance, "I don't know, but ..." Better to be silent and thought a fool than to babble and remove all doubt.
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Old 01-22-2017, 04:54 PM
Combatman Combatman is offline
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Location: California
 
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Mein Auto: 2004 325xi
Yup looks like the drivers side front CV outer boot is torn in half, and it appears there is play at the inner ball joint on the drivers side as well. Is that a known week point? I'd like to just replace the ball joint as the rest looks tight, but part stores only carry the whole control arm?
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Old 01-22-2017, 05:35 PM
Doug Huffman's Avatar
Doug Huffman Doug Huffman is offline
Nuclear engineer
Location: Washington Island, Wisconsin, thru Death's Door
 
Join Date: Apr 2015
Posts: 3,419
Mein Auto: 2012 Feb 11 X5 35d (E70)
Worn CV joint bearings are a fact of life that require regular inspections of their boots to prevent lubricant grease loss and quick failure. My 13 y.o. 185K mile VW had its OE CV's when I sold it.
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Post hoc ergo propter hoc is a weak logic akin to arguing from ignorance, "I don't know, but ..." Better to be silent and thought a fool than to babble and remove all doubt.
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Old 01-22-2017, 05:44 PM
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acoste acoste is online now
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Location: California
 
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Mein Auto: 2010 550i MT
Quote:
Originally Posted by Combatman View Post
I'd like to just replace the ball joint as the rest looks tight, but part stores only carry the whole control arm?
Yes, neither BMW or aftermarket suppliers sell it separate.

Since you are in Cali, i share my sources:

fastest:
pelicanparts.com
in 2-3 days:
oembimmerparts.com
original BMW, usually a week or more
parts.bmwmonterey.com
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2010 BMW 550i MT
2003 BMW 325i @190k and counting
1998 BMW 528i MT @ 231k //sold
1997 Saab 9000 //sold
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