From the airport:

• S-Bahn train line 1 or line 8 to the main station
  (departs every ten minutes, journey takes 40 minutes)
  4-zone ticket or 8 "strips" on a "strip card"
• Taxi takes around 30 minutes (depending on traffic conditions)

From main station:

• Underground train U4 headed forWestendstrasse / U5 headed for Laimer Platz,
  alight at Theresienwiese
• Taxi requires approx. 5 minutes (depending on traffic conditions)