The team's lead driver, Nelson Piquet, tested the BT50 throughout 1981, but the car proved chronically unreliable until Bosch introduced a digital electronic management system at the end of the year, which immediately improved the situation.
O primeiro piloto do equipo, Nelson Piquet, probou o BT50 durante toda a tempada de 1981, pero o coche era cronicamente pouco fiable ata que Bosch introduciu un sistema de xestión electrónico dixital a finais de ano, o que inmediatamente mellorou a situación.