The black rubber bung near the rear brake disc.
I managed to pull it out in its entirety the other day. What does it do?
What's this part for?
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Re: What's this part for?
It's a breather for the final drive unit, see item No. 8,Sullivj wrote:The black rubber bung near the rear brake disc.
What does it do?
http://www.realoem.com/bmw/enUS/showpar ... Id=33_1624