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E90/E91/E92/E93 (2006 - 2013)
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Old 04-16-2013, 02:58 PM
jborchel jborchel is offline
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Front Wheel Bearings - Are they known for going bad?

We bought a 25K miles 2009 328i Sportwagon about a month ago. The first thing we did was to replace the run flat tires with some soft and quiet Yokohama tires. While driving home from the tire dealer I noticed that around 65 mph I got a hum noise out of what seemed like the front left of the car when I turned slightly to the right going around a gradual right bend in the road. It seems like it has been getting louder over time. Also, seems like it doesn't do it under 60 or so or over 75. Any similar experiences out there? I'm guessing that the run flats were so loud I couldn't hear it before.
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Old 04-16-2013, 05:53 PM
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DSXMachina DSXMachina is offline
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Quote:
Originally Posted by jborchel View Post
We bought a 25K miles 2009 328i Sportwagon about a month ago. The first thing we did was to replace the run flat tires with some soft and quiet Yokohama tires. While driving home from the tire dealer I noticed that around 65 mph I got a hum noise out of what seemed like the front left of the car when I turned slightly to the right going around a gradual right bend in the road. It seems like it has been getting louder over time. Also, seems like it doesn't do it under 60 or so or over 75. Any similar experiences out there? I'm guessing that the run flats were so loud I couldn't hear it before.
You need to bring your car into a garage or the dealer immediately and have the left front bearing checked for wear. Your symptoms match up with early bearing failure. Yes, I did read that you have low mileage.
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Old 04-16-2013, 06:14 PM
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pointandgo pointandgo is offline
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Originally Posted by DSXMachina View Post
You need to bring your car into a garage or the dealer immediately and have the left front bearing checked for wear. Your symptoms match up with early bearing failure. Yes, I did read that you have low mileage.
Out of curiousity, woud a failing bearing generate heat at the hub that might be detected by "feeling" the hub area on the outside of the wheel?
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Old 04-16-2013, 06:45 PM
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CALWATERBOY CALWATERBOY is offline
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Originally Posted by pointandgo View Post
Out of curiousity, woud a failing bearing generate heat at the hub that might be detected by "feeling" the hub area on the outside of the wheel?

Sometimes....

Hey OP - what d'ya find out?
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Old 04-16-2013, 06:54 PM
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CALWATERBOY CALWATERBOY is offline
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Mein Auto: 2009 E93 N54
Quote:
Originally Posted by jborchel View Post
We bought a 25K miles 2009 328i Sportwagon about a month ago. The first thing we did was to replace the run flat tires with some soft and quiet Yokohama tires. While driving home from the tire dealer I noticed that around 65 mph I got a hum noise out of what seemed like the front left of the car when I turned slightly to the right going around a gradual right bend in the road. It seems like it has been getting louder over time. Also, seems like it doesn't do it under 60 or so or over 75. Any similar experiences out there? I'm guessing that the run flats were so loud I couldn't hear it before.

And no, they are not known for going bad.
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