All the Messerschmitt and FMR production cars used the Kabinenroller's monocoque structure, featuring tandem seating and usually a bubble canopy.

On 29–30 August 1955, a modified KR200 with a tuned engine, revised gear ratios, redundant control cables, a one-off streamlined body, and stock suspension, damping, steering, and brakes, was run at the Hockenheimring for twenty-four hours.

[14] The base plate on which the hatch was hinged was riveted to the right side of the monocoque tub and the nose section.

[6] In Germany the Kabinenroller got the nickname "Schneewittchensarg" (Snow White's coffin) because of the plexiglas canopy.

The tandem seating allowed the body to be long and narrow, with a low frontal area.

[6][15] Hydraulic dampers were added to the design with the introduction of the KR200 in 1955; also the front track was increased at that time.

[19] These were driven by halfshafts with universal joints at both ends and a sliding spline allowing the length of the shaft to vary, accommodating changes in camber angle.

The wheels were suspended by control arms and coil springs with concentric hydraulic shock absorbers.

Strongly positive public and press reaction prompted Adlfinger to begin production of the 'Veloschmitt' in Ljubljana, Slovenia, but the project was later halted due to financial difficulties.

The new Kabinenroller, named the KR202, featured a fibreglass body mounted on a steel and aluminium honeycomb chassis and used the powertrain from a petrol powered or electric scooter, depending on the version.