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F10 / F11 (2011 - Current)
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  #1  
Old 10-25-2014, 01:24 PM
gtmaster303 gtmaster303 is offline
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Whirring/humming noise 2012 528i xDrive

Hey guys, just got my new to me 528i xdrive with 38k miles.
Driving around for the first time today, I noticed a whirring noise while driving and braking. Noise doesn't change much in pitch but it does get louder the faster you go and most noticeable when coasting or braking towards a traffic light. Braking not very smooth.
None of the tires have matching wear. I noticed that the driver side front tire is almost completely worn smooth on the outside. Passenger front has 4/32 tread, passenger rear has 6/32 and driver rear has 8/32.

I doubt the car ever had an alignment or tire rotation, which could explain the tire wear. Can an expert chime in on what to do?

Last edited by gtmaster303; 10-25-2014 at 01:27 PM.
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  #2  
Old 10-25-2014, 02:11 PM
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markl53 markl53 is offline
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Why are people buying cars without looking at the major parts, like tires? Now you'll need to buy at least two, on the axle with the worn out tire. BTW, I've owned 4 BMW's, and NEVER had an alignment, so something is out of whack with that vehicle. Underinflated tires also lead to outer edge wear. I'm sorry I can't help with the whirring noise.
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Last edited by markl53; 10-25-2014 at 02:12 PM.
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  #3  
Old 10-25-2014, 04:00 PM
MWPos MWPos is offline
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I test drove a 550 which made that noise and it turned out to be the alternator.
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  #4  
Old 10-25-2014, 04:41 PM
gtmaster303 gtmaster303 is offline
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Quote:
Originally Posted by markl53 View Post
Why are people buying cars without looking at the major parts, like tires? Now you'll need to buy at least two, on the axle with the worn out tire. BTW, I've owned 4 BMW's, and NEVER had an alignment, so something is out of whack with that vehicle. Underinflated tires also lead to outer edge wear. I'm sorry I can't help with the whirring noise.
I'm not going into why I bought which car I did for what reason, with what faults, etc. If the car had no faults, this forum primarily wouldn't exist.
At 40k miles I expected to replace the factory tires anyway. But that doesn't explain the uneven wear or the weird noises. I just wanted to know if there are major faults or common flaws to look out for with the F10. Do the tires tend to get louder the more worn down they are?
The drone reminds me of tire noise I got when I put some aggressive tread tires on my SUV.

Does the dealer charge a diagnostic fee if the car is still under warranty?
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  #5  
Old 10-26-2014, 10:21 AM
gtmaster303 gtmaster303 is offline
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Got the alignment checked and it's spot on, except for the camber. The shop I took it to can't adjust camber and told me I'd have to go to the dealer....
I was told the camber was either set that way from the factory, or something may be bent or misaligned on the front end.
The tech told me the noise is most likely tire noise from the uneven tires
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  #6  
Old 10-26-2014, 08:07 PM
dewana421 dewana421 is offline
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Another thing u can try is rotating tires and see if the noise moves with the tires. Swap the front two and then try front to back and you will notice if the noise moves with the tires. If it doesn't then it could be the bearings causing the noise.
That should all be covered under your factory warranty however I bet you they will blame it on tires.
If I was you I would get new tires and have Bmw align it and then see if noise goes away.
You can probably make a deal with them in tires and alignment package.
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Old 10-28-2014, 08:41 AM
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quackbury quackbury is offline
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As tires wear down, the level and tone of tire noise changes. The noise is a function of tread pattern. The Dunlops on my X5 35D were the worst. When you replace the bald tires, the noise should go away.
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