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X3 E83 (2004 - 2010)
Talk about the E83 BMW X3 in this forum!

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  #1  
Old 07-27-2013, 07:30 PM
aturkinside aturkinside is offline
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Location: New Jersey
 
Join Date: Mar 2008
Posts: 22
Mein Auto: 2004 BMW 330I ZHP
whirring/grinding noise

I'm going crazy chasing after this noise. Started a few months ago out of the blue. Noise didnt build up it just started the first day and still sounds the same. Sounds like a grinding or whirring noise from the middle or rear of the car. Sound starts around 15mph and can hear it until about 45mph. The faster I go the higher the pitch becomes and turns into a whine until I barely hear it. Going straight or turning doesnt make a difference I still hear it. When I accel I can hear it a little. When I decel (foot off the gas and foot NOT on brake) I can hear it the most, and when Im on the brake (slowing down) I can barely hear it. I cant even be sure of the location. I had people sitting in the back seat and they couldnt pinpoint it. Hear it better with windows closed.

Since I first heard the noise:
-I replaced my front driveshaft (ujoint was a little broken)
-New front and rear Brembo rotors and Bosch pads
-Changed rear differential fluid

Tires are less than a year old. X-fer case fluid is new. I did notice a driver side rear broken coil spring when I did the brakes. Guibo is new. I think the rear driveshaft was also replaced but this was way before I owned the car and was done at the dealer.

Last edited by aturkinside; 07-27-2013 at 07:32 PM.
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  #2  
Old 07-28-2013, 06:21 AM
usaret usaret is offline
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Location: All Over
 
Join Date: Feb 2012
Posts: 918
Mein Auto: A Gamma Goat
Possibly the center bearing of the rear drive shaft.
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  #3  
Old 07-28-2013, 11:23 AM
aturkinside aturkinside is offline
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Location: New Jersey
 
Join Date: Mar 2008
Posts: 22
Mein Auto: 2004 BMW 330I ZHP
Oh wow can't believe I didn't think of that. Any way to diagnose that without jacking up all four wheels and driving in gear? BTW, I managed to record the audio of the sound.https://www.amazon.com/clouddrive/sh...Tz8o9ePGoTMMfc
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  #4  
Old 07-28-2013, 01:33 PM
usaret usaret is offline
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Location: All Over
 
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Posts: 918
Mein Auto: A Gamma Goat
Sounds like the bearing. The only sure way is to look at it. Have to remove the exhaust and heat shield to get to it.
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  #5  
Old 07-29-2013, 09:17 PM
bimmerKor bimmerKor is offline
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Location: cupertino,CA
 
Join Date: Jun 2013
Posts: 13
Mein Auto: 2007 bmw x3
whirring/grinding noise

Exact same noise is happening to my 2007 x3.
I was thinking it is because of non bmw certified tire installed.
I adjusted tire pressure, all 4 wheel same or front wheel less, but so far no luck.

I could not try out new tire. But most likely it is the culprit?
Marginal variation of front/real wheel rate is causing this noise ?




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  #6  
Old 04-19-2014, 03:28 PM
Monkeydub Monkeydub is offline
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Location: UK
 
Join Date: Apr 2014
Posts: 14
Mein Auto: e83 X3 3.0d Msport
Did this issue ever get rectified, if so what was it?
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  #7  
Old 08-19-2015, 12:13 PM
GTR-34 GTR-34 is offline
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Location: Alamogordo, NM
 
Join Date: Dec 2013
Posts: 16
Mein Auto: ī04 X3 3.0i
hey, I have the same problems, but at mine the noise stops at 20mph and comes back from 40-45.

anybody an idea?
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  #8  
Old 08-19-2015, 06:13 PM
aturkinside aturkinside is offline
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Location: New Jersey
 
Join Date: Mar 2008
Posts: 22
Mein Auto: 2004 BMW 330I ZHP
Try driving down the road and putting it into neutral and listen if the sound is still same. Try driving up to the speed you hear the noise and turn left and then right. Does the sound get louder or go away. That will be wheel bearing. Try jacking up the driveshaftcarrier bearing while the car is on a lift and drive it like normal. Also do a smoketest on your windshield gaskets, I know it sounds crazy but noises can come from there too.

I never found out for sure what the issue was but I'm leaning towards a messed up xfer case. I screwed up and ordered the staggered setup off tirerack or tires.com, can't remember which, and as the wheels in the front turn faster than the rear some gears inside must have stripped. I though I had the sport but the tire size was clearly written in the door jam. Oh well, you live and learn. But different size tires or unevenly worn tires can kill this car. A lot of noise can be solved, especially clunking, by buying a new set of tires.
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  #9  
Old 08-20-2015, 05:50 AM
GTR-34 GTR-34 is offline
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Location: Alamogordo, NM
 
Join Date: Dec 2013
Posts: 16
Mein Auto: ī04 X3 3.0i
thank you

I already tried it to put it in neutral and the noise was gone.
I think itīs somewhere between crankshaft and transfer case.
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  #10  
Old 08-22-2015, 06:33 AM
aturkinside aturkinside is offline
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Location: New Jersey
 
Join Date: Mar 2008
Posts: 22
Mein Auto: 2004 BMW 330I ZHP
I suggest replacing your transfer case fluid if you haven't done so already before you start removing and replacing parts. I believe on these cars it should be replaced at 100k. Only use BMW fluid.
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  #11  
Old 08-22-2015, 07:41 AM
marvinstockman marvinstockman is offline
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Location: Gaithersburg, MD
 
Join Date: Feb 2009
Posts: 37
Mein Auto: 1997 M#
Have someone 'drive' car on a lift, and see if you can localize your noise.

Certainly not tires.
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e83, grinding, noise, rear, whirring, x3


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