Here are my German favourites:
Paris, Texas (Wenders, 1984)
Alice in the Cities (Wenders, 1974)
Metropolis (Lang, 1927)
Kings of the Road (Wenders, 1976)
Nosferatu (Murnau, 1922)
Aguirre Wrath of God (Herzog, 1972)
Madchen in Uniform (Sagan, 1931)
The Testament of Dr Mabuse (Lang, 1933)
Pandora's Box (Pabst, 1928)
The Marriage of Maria Braun (Fassbinder, 1978)
People on Sunday (Siodmak, Ulmer, 1929)
Wings of Desire (Wenders, 1987)
M (Lang, 1931)
Run Lola Run (Tykwer, 1998)
Goodbye Lenin (Becker, 2003)
Paris, Texas (Wenders, 1984)
Alice in the Cities (Wenders, 1974)
Metropolis (Lang, 1927)
Kings of the Road (Wenders, 1976)
Nosferatu (Murnau, 1922)
Aguirre Wrath of God (Herzog, 1972)
Madchen in Uniform (Sagan, 1931)
The Testament of Dr Mabuse (Lang, 1933)
Pandora's Box (Pabst, 1928)
The Marriage of Maria Braun (Fassbinder, 1978)
People on Sunday (Siodmak, Ulmer, 1929)
Wings of Desire (Wenders, 1987)
M (Lang, 1931)
Run Lola Run (Tykwer, 1998)
Goodbye Lenin (Becker, 2003)