Do you have a 6MT or DCT?
On my invoice from 2009, they also cleaned the transmission screen.
I also have the replacement of (QTY. 2) Gasket Ring 07-11-9-963-355
However, BMW might have changed the requirement of the 1200 mile service over the past couple of years.
1993 Acura Legend L Sedan
2009 BMW M3 Sedan
2013 BMW 535i M Sport Sedan