Licence production of the single seat version began in 1974.

In the early 2010s period a two seat version and a motorglider variant were being developed.

The W163 was available as a seven seat version, with two seats in a third row.

The development of a three/four seat version had been proposed.

A two seat version with the same external dimensions was reportedly under development in 1983.

Two seat version, put into production with eleven built.

Later a 3/4 seat version was added to the range.

Further refined single seat version first flown in 1993.

Moreover, different seat version can be applied like in other versions.

It was essentially a single seat version of the B.E.2.