this s a quick guide on how to update a module with WinKFP:
1 Start WinKFP and select F3:- Update ZUSB
2 Select ECU type and the ECU will appear along with a list of part numbers.
3 Select ok and the main menu will re-appear
4 Select VIN and enter the cars VIN no. and select OK.
5 Select Done
6 Select Prog. ZB_update, you will be asked to confirm the update, Winkfp wil state the number of times the module can be re-programmed.
If you need the SP-DATEN files, they can be found here