Little BMW (Björneborgs Mek. Werkstad. Ab) ignition bulb motors

BMW-motor is two-stroke vertical engine ("half-diesel").

Couple 8 hp BMW-motors

BMV 8-10 hp

Pretty new BMV (not BMW)

Just found 8-10 hp

Reconstructed BMW-motors

BMW 10 hp

From 1920-30. Runs nowadays!

BMV diagrammatic section