Hello,

The US import versions of these cars had 4 wheels.  The rear ones spaced
quite close together.  A larger version, the BMW 600 had wider spaced
wheels, a door in front like the Isetta and a door on the side for the back
seat.  I never owned a 600 and I no longer own my Fiat 128.

Mike   Phoenix AZ  '84 GL  '58 BMW Isetta