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      08-07-2013, 09:06 AM   #1
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Need help, bad wheel bearing?

Hey guys, I have a 335 xdrive with 45k on it and Iíve been observing what sounds like a bad, front wheel bearing, which sounds like a deflated tire almost. My tires are new (9000mi) and they are proper psiÖ tires are kumho ecsta 4xÖ Do wheel bearings on xdrive go bad early? What else can this be? I canít record it cause you wonít hear it, but it is annoying. My rotors are pretty warped and are due for service; can they make noise like that?
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      08-07-2013, 11:56 AM   #2
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no one had a wheel bearing replaced for xdrive?
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      08-07-2013, 02:07 PM   #3
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Tip: Your original post was only 3 hours old. Give members more time to respond, especially during the week when most of us are working.

With that said, I have not seen many bad wheel bearings on these cars, RWD or AWD, however, members have needed to replace them. Therefore, is it a common problem? No. Is it possible? Yes. If you suspect a bad wheel bearing (especially the front), why not drive the car down the road and turn the steering wheel left then right to load the bearing differently to see if you notice a change in the sound. That would be a tell-tale sign of a bad bearing. Furthermore you can simply jack the front of the car up and check for play.

If the bearings check out, I wouldn't rule out the tires. When I was younger I worked for Goodyear for a number of years. Poor alignments ruin tires quick, and sometimes you just get a bad new tire that has significant runout.
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      08-07-2013, 11:36 PM   #4
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Thanks man, I'll check for play and test the bearing! The sounds disappears after 40 MPH...
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      08-08-2013, 12:10 PM   #5
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Thanks man, I'll check for play and test the bearing! The sounds disappears after 40 MPH...
I have a similiar sound and a bad wheel bearing did cross my mind, but I havent made it to the dealer yet. Figured they can look at it during my 60k mile service.

Car is CPO and have maintenance plan so I think it will be covered?
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      08-09-2013, 07:08 AM   #6
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Hi i just went through the same problem. My front rotors/pads were overdue and it sounded like a bearing was going out. i swapped them out and my car drives like new again. no rubbing sound. my car also accelerates better. I guess the rotor/pads were dragging. the hub wasnt that easy to turn but it was turning. i have 104K KM ~61k miles. I will prob get the bearings checked out by my mechanic too. i have CPO and will prob get BMW to change them under CPO if they are worn out.
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      08-09-2013, 12:17 PM   #7
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Hi i just went through the same problem. My front rotors/pads were overdue and it sounded like a bearing was going out. i swapped them out and my car drives like new again. no rubbing sound. my car also accelerates better. I guess the rotor/pads were dragging. the hub wasnt that easy to turn but it was turning. i have 104K KM ~61k miles. I will prob get the bearings checked out by my mechanic too. i have CPO and will prob get BMW to change them under CPO if they are worn out.
Ok hopefully its just this when I go in for my 60k service

On a side note I'm glad we use miles 104K KM sounds like alot compared to only 61K miles
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      08-16-2013, 08:07 AM   #8
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HAhah for us its the opposite. When you guys say 5000 and 7500 oil changes we Canadians go "eh?" with a confused look on our faces! lol

good luck. hopefully it fixed the problem. just an update my car still drives without the noise, so it def was the pads and rotors.
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      08-16-2013, 06:04 PM   #9
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Quote:
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no one had a wheel bearing replaced for xdrive?
i have replaced mine on my rear wheels.
The easiest way to identify bearing issue is if you drive to left and right on the road.Try to hear if noise is getting stronger on one side or the other. and if it is front or rear side
Ussualy they are changed in pairs. If you want to identify which one it is it is always the one on the opposite side of that strange noise coming when you change your lane to left or right.


To me it sounds more like you have bad discs or pads or tires ...When you have damaged bearing than it get louder and louder as you speed up after some time.... Anyhow try this and see if it will change
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      08-16-2013, 07:05 PM   #10
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Quote:
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i have replaced mine on my rear wheels.
The easiest way to identify bearing issue is if you drive to left and right on the road.Try to hear if noise is getting stronger on one side or the other. and if it is front or rear side
Ussualy they are changed in pairs. If you want to identify which one it is it is always the one on the opposite side of that strange noise coming when you change your lane to left or right.


To me it sounds more like you have bad discs or pads or tires ...When you have damaged bearing than it get louder and louder as you speed up after some time.... Anyhow try this and see if it will change
The sound doesnt get louder, but my rotors are warped..
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      08-17-2013, 03:58 PM   #11
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The sound doesnt get louder, but my rotors are warped..
Did you by any chance overheat your brakes? Is your steering wheel shaking when you drive at those critical speeds?
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      08-19-2013, 07:46 AM   #12
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Did you by any chance overheat your brakes? Is your steering wheel shaking when you drive at those critical speeds?
No, steering does not shake.. it only shakes under light braking
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      08-19-2013, 04:59 PM   #13
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best would be to visit your dealer (stealer) to check your brakes ...or any other decent shop It is very hard to sort out what is wrong if you don't feel or hear sounds or vibrations.
Good Luck
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      08-22-2013, 06:50 AM   #14
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best would be to visit your dealer (stealer) to check your brakes ...or any other decent shop It is very hard to sort out what is wrong if you don't feel or hear sounds or vibrations.
Good Luck
I took my wheels off to inspect everything and everything looked fine. Other people have told me it is not the wheel bearing, because my sound goes away over 45 mph... what I noticed was that I had significant inner tire wear an these tires are only 9000 mi old... any ideas?
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      08-22-2013, 08:36 AM   #15
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It could be due to uneven wear of tires. go and check your cars alignment.Do you have any other tires to try or borrow?
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      08-22-2013, 01:49 PM   #16
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Quote:
Originally Posted by aadum View Post
It could be due to uneven wear of tires. go and check your cars alignment.Do you have any other tires to try or borrow?
No I dont, I will be taking it in to get alignment checked... anyone have OEM alignment charts?
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