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      12-01-2008, 08:56 PM   #3

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Drives: 2013 Audi RS5 & 08 M3 E93 SOLD
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Originally Posted by watrob View Post
83-22-0-406-941 1/2 liter 92 (QTY 8) what is this ???

When they do the diff oil they add a FMBooster to stop diff chatter when turning at low speed.

I am not sure if that is the same part number but a 1/2 litre sounds right for FMBooster. Its strange they did not change out the diff oil though, that about 3 litres.

It might even be powersteering fluid, someone on the forum will be able to check the part numbers for you?