Under the newly louvred bonnet, the big news was the addition of twin superchargers, lifting the output of the standard-capacity 5. The boys in Works Service were first to respond to the clamour for something a bit ballsier, and in January began offering a bhp 6. The press lapped it up, and Works eventually converted 40 cars. Buying guide and review http: Just 40 were built, and that rarity has certainly supercharged their recent rise in value.