2046 - In the Mood For Love

I've received my copy of 2046 and am eager to pop it into the tray, but I'm wondering whether it's advisable to watch ITMFL again first. Do I need to refresh myself, or is this more a sequel in name only?
MrBooth wrote:You should definitely watch both ITMFL and DAYS OF BEING WILD first. 2046 references them constantly (in fact the only reason the film exists seems to be to say "Hey, remember those other films I made? Me too" :p)