In order to shop, you must first take a tram or bus to the stores. Try this link for schedules, etc: Tram-Muenchen

Lieblingsladen: Where to Shop in Munich!
Lonely Planet Guide to Shopping in Munich
Munich Shopping Less Ordinary
Shopping in Munich (Click on the Links)
Surviving Germany - Retail
Shopping in Germany
Guide to Shopping in Germany (Follow the Links)
Shopping Hours in Austria, Germany and Switzerland