these are the parts which are included in a set from ZF for 5HP30
http://bavtech.com/archive/5HP30VBK%20Instructions.pdf

Detailed instructions how to do, 18 MB, German language, but the pics tell you all. If you need a translation, use online translation services. 51 pages

Anleitung zum Ölwechsel mit Filter und Auswechseln der Kügelchen im ZF 5HP30 Getriebe
= instructions for trans fluid change with filter and changing the small balls in the valve body


http://www.m-mtuning.de/daten/Anleit...Kuegelchen.pdf