It can be done on all MK4 Golfs as long as they have leccy windows

The software in the link when used in free mode will ony do the later 1C0 959 799 CCM as found in immo3 cars. If you need to do the earlier 1J0 959 799 AH immo2 CCM then you need to purchase the full version.
Or use VDS pro and edit the HEX values of the CCM manually

1J0 959 799 AH (UK Spec)
Address
04283 - set 2
04289 - set 2
08628 - add 4 Drivers Side Front
12724 - add 4 Pass Side Front
16820 - add 4 Drivers Side Rear
20916 - add 4 Pass Side Rear
1C0 959 799 B
Address
04361 - subtract 8
04362 - subtract 8
04363 - subtract 8
Neil