Rubbing Noise From Rear Differential When Turning on BMW M5

During tight, slow speed turning, a rubbing noise can sometimes be heard from the rear of the car. This noise is likely coming from the clutches in the limited slip differential. If the noise persists, the differential fluid can be replaced with a special oil available from BMW. On higher mileage vehicles, this noise may never be eliminated unless the differential is replaced.

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Average mileage: 44,250 (4,000–100,000)
Drive Trains affected: Automatic Transmission, Manual Transmission
5 model years affected: 2006, 2007, 2008, 2009, more2010
11 people reported this problem
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problem details
2006 BMW M5 100,000 mi,
More pronounced during right turns Parking lot speeds o ly
2006 BMW M5 39,000 mi,
Same problem. I always thought it was from my tires not being warm and/or gripping the pavement.
2006 BMW M5 - Manual Transmission
This happens almost exclusively when turn right, particularly in parking lots and underground garages. Has anyone else experienced this with under 25k miles?
2010 BMW M5 - Automatic Transmission 4,000 mi,
rubbing noise from rear differential