Remote Central Lock

[rio]

Hi , just bought golf mk4 car have central lock but is not remote (old type of key) and I just wonder how hard is to do remote central lock
what I need can I use one of ebay kit

1.
http://www.ebay.co.uk/itm/310352663765?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649#ht_3149wt_1270

2.
http://www.ebay.co.uk/itm/200722697164?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

3.http://www.ebay.co.uk/itm/330555859216?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649#ht_3071wt_1037

[m4rt1ngti]

Ebay kits are naff and might work for a couple of days if your lucky. If you going to do it then do a proper job otherwise its a waste of time.