"break in sth" in German to break in sth. etw. einfahren (Auto Motor Maschine) Detailed translations for "break in sth" to break in sth. to break in sth.(also: to run in) etw. einfahren (Auto{transitive verb} to break in sth.(also: to run in) Motor to break in sth.(also: to run in) Maschine)