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      08-05-2012, 03:15 PM   #1
FLUTE
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335i Rear diff maintenance??

Hi, I have a very slight high pitched humming noise coming from the rear. Car is sitting at 63k miles and I've just replaced the rear tyres thinking it was road noise caused by uneven tyre wear (tyres were uneven by the way). Noise isn't metallic and there is no clunking type noises. I know the oil is sealed for life.

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Last edited by FLUTE; 08-05-2012 at 03:50 PM. Reason: Spelling
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      08-05-2012, 04:29 PM   #2
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Sounds like a wheel bearing is on its way out.
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      08-06-2012, 11:34 AM   #3
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Quote:
Originally Posted by FLUTE View Post
Hi, I have a very slight high pitched humming noise coming from the rear. Car is sitting at 63k miles and I've just replaced the rear tyres thinking it was road noise caused by uneven tyre wear (tyres were uneven by the way). Noise isn't metallic and there is no clunking type noises. I know the oil is sealed for life.

Flute
What tyres you put on it , Directional ones are a real bugg*r for making a droning noise ..
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      08-06-2012, 02:19 PM   #4
FLUTE
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Quote:
Originally Posted by o0timbo0o View Post
What tyres you put on it , Directional ones are a real bugg*r for making a droning noise ..
I've just put on avon zz3's which are directional tyres. Tbh the noise is barely noticable but I know it's there.
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