One-off prototype built with BMW Great Britain, developed by Mike Gibbs' MGA Developments in 1982 with backing from The Observer; pioneering retractable glass roof later converted to fixed glass in the late 1980s. Bespoke bodywork, two-tone grey finish, front and rear spoilers, side skirts, Centra Type 6 wheels. Restored with over £26,000 of work in 2017; history file of service records and MOT certificates from 1989-2023.