Bü 180A
Production variant with a 50hp Zündapp Z9-092 engine.

Bü 180B
Production variant with a 60hp Walter Mikron II engine.

Bü 180C
Proposed variant with an 80hp Bücker Bü M700 engine.
Bü 180A
Production variant with a 50hp Zündapp Z9-092 engine.
Bü 180B
Production variant with a 60hp Walter Mikron II engine.
Bü 180C
Proposed variant with an 80hp Bücker Bü M700 engine.
Bücker Bü 180