crwdns2934241:0crwdne2934241:0 _Z_

crwdns2934249:0crwdne2934249:0:

[http://support.apple.com/kb/HT1270#link1|Apple support page]

it appears you cant as MBP 13 is a 8GB maximum.

sorry for the bad news.

crwdns2915684:0crwdne2915684:0:

open