Brabham BT46 was designed by Gordon Murray for 1978 Formula 1 season. The car was powered by a flat-12 Alfa Romeo engine, and raced by Niki Lauda and John Watson. The “B” variant of the car, also known as the “fan car”, was introduced at the 1978 Swedish Grand Prix as a counter to the dominant ground-effect Lotus 79. The BT46B generated an immense amount of downforce by means of a fan, claimed to be for increased cooling, but which also extracted air from beneath the car. The car only raced once in this configuration in the Formula One World Championship – when Niki Lauda won the 1978 Swedish Grand Prix at Anderstorp. Then Bernie Ecclestone, team owner, withdrew Fan-car due to controversy with the other team bosses represented at Formula One Constructors Association (FOCA). The Brabham team completed the season with the standard BT46s and was classified in 3rd position in the final Constructors’ Championship table. In the Driver’s standings Lauda was 4th (he also won Italian GP), and Watson was 6th.
| Season | Series | Event |
| 1978 | F1WC | Swedish GP |
| Driver | No. | Entrant |
| Niki Lauda | 1 | Parmalat Racing Team |
| Scale | Manufacturer | Collection |
| 1:43 | RBA Collectibles / IXO | RBA / Fabbri Auto da Corsa i Miti Della Formula 1 |
| Cat. No. | Quality | Rarity |
| No. 31 | 
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