Can I use this tool on the rear lower ball joints?

Is this same thing?:
http://www.zdmak.com/wbstore/main.as...CTMP=1&LowCt=0 (http://www.zdmak.com/wbstore/main.asp?action=PROD&PROD=MK-1727&CTMP=1&LowCt=0)

Or should I go with this?
http://www.zdmak.com/wbstore/main.as...W334190&CTMP=1 (http://www.zdmak.com/wbstore/main.asp?action=PROD&PROD=BMW334190&CTMP=1)

The mechanic at the auto hobby shop says that they have a pickle fork???
Would that work?

Thanks!
JasonCan I use this tool on the rear lower ball joints?

Is this same thing?:
http://www.zdmak.com/wbstore/main.as...CTMP=1&LowCt=0 (http://www.zdmak.com/wbstore/main.asp?action=PROD&PROD=MK-1727&CTMP=1&LowCt=0)

Or should I go with this?
http://www.zdmak.com/wbstore/main.as...W334190&CTMP=1 (http://www.zdmak.com/wbstore/main.asp?action=PROD&PROD=BMW334190&CTMP=1)

The mechanic at the auto hobby shop says that they have a pickle fork???
Would that work?

Do I have to buy the $200 ball joint press, or can I just rent something from autozone?

Thanks!
Jason