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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 12-15-2010, 09:29 PM   #1
pcdsl
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Strange Scrapping Sound (front driver side)

Hey guys, I have this strange scrapping noise that only happens when I drive the car in the morning. It's either rotational or maybe even when the suspension moves. I'm not too sure how to diagnose it. I have recently replaced both front axles and I thought the noise went away but now it's back. I guess it could be axle related, but I don't know why these new remanufactured ones would go bad so quickly. Any thoughts? It doesn't come back after driving for awhile (10min). It pretty much goes away all day, and I think when I'm turning left or right it doesn't make that noise. I also thought it might be my suspension going bad... so lost. Thanks for any help!

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Old 12-16-2010, 01:17 AM   #2
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the protective plastic shield under the engine (aft piece) is very close to the axle boots. Check to see it is clear of the boots.
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Old 12-16-2010, 10:20 AM   #3
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For whatever reasons, the dust shield behind the hub was bent and rubbing on the hub. I had to pry it away from the back of the hub.
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Old 12-16-2010, 03:36 PM   #4
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same problem (exactly at 40 mph) my mechanic said wheel bearing everybody here will blast you axle choice
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Old 12-16-2010, 03:44 PM   #5
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I am having the exact same thing. Sometimes it happens when I go over bumps or accelerate, and other times it just happens for no reason at all. I recently got my car with 80k on it and the mechanic who looked at it said everything was fine, but this noise is really bothering me.
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Old 12-16-2010, 04:10 PM   #6
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Quote:
Originally Posted by pcdsl View Post
Hey guys, I have this strange scrapping noise that only happens when I drive the car in the morning. It's either rotational or maybe even when the suspension moves. I'm not too sure how to diagnose it. I have recently replaced both front axles and I thought the noise went away but now it's back. I guess it could be axle related, but I don't know why these new remanufactured ones would go bad so quickly. Any thoughts? It doesn't come back after driving for awhile (10min). It pretty much goes away all day, and I think when I'm turning left or right it doesn't make that noise. I also thought it might be my suspension going bad... so lost. Thanks for any help!

2002 330XI
I know the sound you mean- it's just the brake pad (or rear brake shoe) rubbing slightly on the rotor. It goes away after you use the brakes a few times or get up to speed.

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same problem (exactly at 40 mph) my mechanic said wheel bearing everybody here will blast you axle choice
A1 cardone reman axles are a tried-and-true axle replacement. Nobody has reported any problems with them.
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Old 12-17-2010, 03:46 PM   #7
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I know the sound you mean- it's just the brake pad (or rear brake shoe) rubbing slightly on the rotor. It goes away after you use the brakes a few times or get up to speed.

DON'T WORRY ABOUT IT!




A1 cardone reman axles are a tried-and-true axle replacement. Nobody has reported any problems with them.
if its the brakes get a brake fluid flush and/or you might need new caliper piston seals.... axles wont ever make scraping sounds op claims to have
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Old 12-17-2010, 04:30 PM   #8
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Does it sound like this?



If so, it could be the dust shield.
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Old 12-19-2010, 12:09 AM   #9
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Thanks for the suggestions guys, I'll check out the front brakes and the rear shock mounts. \

@Kevin: no it doesn't really sound like that... maybe it could be my struts going bad, I have Bilstein Sports.
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Old 12-19-2010, 10:50 AM   #10
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Quote:
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Does it sound like this?



If so, it could be the dust shield.
Thia's what it was for me.
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Old 12-20-2010, 02:38 PM   #11
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Quote:
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Thia's what it was for me.
It's a pretty common issue. When I was lowering my car I had put a jack around that area and when the hub was resting on it it must have bent it slightly.
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Old 12-20-2010, 05:36 PM   #12
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It's a pretty common issue. When I was lowering my car I had put a jack around that area and when the hub was resting on it it must have bent it slightly.
hmm I will double check mine. Thanks!
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Old 12-20-2010, 09:23 PM   #13
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Quote:
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hmm I will double check mine. Thanks!
Been there, done close to that.
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