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Old 04-02-2012, 05:34 PM   #11
Mango MangoFCP5
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Join Date: Mar 2006
Location: Southern California
Posts: 25,116
My Ride: 2016 Lexus
My 3.38 (bought used from a forum member--forgot who lol) whines like a B***h at freeway speeds. Brand new fluid in it too and it had about 100k on it when I got it (same mileage as my car as coincidence) and now has 122k or around there. From the research I've done (including contacting Dan @, it seems that SOME BMW diffs whine, SOME don't. Anybody have a quiet 3.38 on their E46 330? I'm almost certain my butyl tape is in tact too. The indy I had do it (I don't have access to a lift and jackstands scare me) said he didn't drop the driveshaft which means the tape wasn't touched.. which means my diff truly whines.

Or I could put back my silent 2.93...
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