BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > High pitched ringing from rear end

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      09-08-2012, 12:53 AM   #1
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High pitched ringing from rear end

I have a consistent high pitched sound that changes along with vehicle speed in drive or neutral that I've been told is a bearing in the differential wearing out and i need a new diff. My car has 100,000 miles on it and i'm surprised that I need to replace the diff after 100k

Any comments or ideas??

2006 BMW 330i E90 Sedan
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      09-08-2012, 11:43 AM   #2
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Some thing happened to me at about the same mileage.
'06 Arctic Metallic 325i | Sport Package | 6MT | Dinan Stage III suspension | Dinan exhaust | 330i manifold swap! Click here! | Active Autowerke tune | 135i Brake Calipers | Deiselboost caliper brackets | E46 M3 front rotors
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