Thread: W123
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Old 03-18-2001, 11:19 PM
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Aaron Aaron is offline
Join Date: Aug 1999
Location: Cincinnati, Ohio
Posts: 1,935
High pitch whine


Sounds as though it's just wear on the differential. Our neighbors' 240D screams on the highway. I wouldn't much worry about replacing it unless it really bothers you. I've only ever seen one come apart and that was because of hard abuse (and it was on a 6.3). Any wonder?
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