 Complete the following phrase:  The BRM P139 was a Formula One racing car designed by Alec Osborn, based on the original P126133138 design by Len Terry, which raced during the and seasons. It was powered by a 3.0-litre V12 engine. The car was uncompetitive, which resulted in team boss Tony Rudd being asked to resign, with his position being taken over by Tony Southgate, Tim Parnell and Aubrey Woods. After the team did not attend the French Grand Prix, a redesigned P139 appeared at the 