It runs from München-Pasing station to Höllriegelskreuth.

It runs on a connecting line from Pasing to München Mittersendling station that has a platform at München Heimeranplatz station, but does not have a platform at München Harras, although the track here lies directly next to the Munich–Holzkirchen line.

It is operated during peak hours from Monday through Friday.

It is operated using class 423 four-car electrical multiple units.

It ran to Deisenhofen rather than Höllriegelskreuth until 14 December 2013.