If you are planning a trip to Munich, you should know that the city's international airport is Germany's second biggest airport, after the one in Frankfurt. When arriving to Munich International Airport, you can take the S-Bahn (commuter train), which connects to the city center, on S1 and S8 lines, every 20 minutes from 4 AM to midnight. It will take you around 40 minutes to get to central Munich and it will cost you around € 9.00 for a single trip, so you may want to take a day pass, which costs € 10.00. There are also shuttle buses that will take you to your hotel or to the city center, and if you want a luxury car, you can rent a limousine from the airport.
Munich has a highly developed and on time rail network, including in the surrounding area, covered by trains, trams and underground transportation. The main railway station is located in the city center and it is called Hauptbahnhof. An alternative to the underground subways and trains, are the buses that cover the entire city area and its surroundings, but you might prefer the trains because they are much more faster and they will not get stuck in traffic jams.
If you travel to Munich by car, you can either leave your car in a Park & Ride car park (if you do a one day journey), or you can use it inside the city, even if this means less time for visiting, it is your choice. Another option for you is to rent a car, you will find a rental office every step of the way, although Munich is better seen on foot.
This transportation means is probably the best one to choose while in Munich. You can explore the city in a green, safe and clean environment and you will get the chance to enjoy all the sights around you.