If you drive by car:

Coming from north, drive over the Mittlerer Ring onto the A95 towards Garmisch. Take the first gateway München-Kreuzhof in direction Forstenried to Boschetsrieder Straße. After about one kilometer turn right into Machtlfinger Straße. Then turn right again into Perchtinger Straße. After a few meters, you will find G.Lohmeier AG on your right side.

If you go by train:

Arrived on Hauptbahnhof go to the S-Bahn and go with one of them 2 Stations in direction Ostbahnhof to Marienplatz. On Marienplatz change from the S-Bahn to the U-Bahn U3 in direction Fürstenried-West and go 9 stations to Machtlfinger Straße. Leave the U-Bahn-station and go to the left onto the Machtlfinger Straße till you come to Perchtinger Straße. After about 100 meters on the Perchtinger Straße you will find Lohmeier AG on your right side.