 Complete the following phrase:  This inspired Surtees to expand to Formula One, and after having had a difficult season with BRM in 1969, he decided to become an ownerdriver again. The team ran the full 1970 season, but John Surtees was forced to run the first four races in an old McLaren due to a delay in the construction of his in-house F1 car. The new BP-sponsored car earned its first and only points that year in the 