The description below is taken from the Airfix catalogue this kit was first seen in. There may also be extra information underneath the main description.

Airfix Catalogue description:

Superb engineering, German style, produced the outstanding be-finned BMW 3.5CSL. Nicknamed Batmobile, these high-performance road-turned-race cars scooped major prizes at motor sport events in the mid-seventies. In 1:24th scale this model has a length of 170mm and an exciting selection of parts and decals.

Airfix Catalogue information:
Series: 6
Rarity of early version: Rare.
First Issued: 1981
Catalogue Ref - 1981 Edition: 06426-6
Catalogue Ref - 1992 Edition: 06402
Catalogue Ref - 1993 Edition: 06402
Catalogue Ref - 1994 Edition: 06402